T\u1eeb C\u01a1n Ho H\u00fang H\u1eafng \u0110\u1ebfn T\u1ed5n Th\u01b0\u01a1ng Ph\u1ed5i Kh\u00f4ng \u0110\u1ea3o Ng\u01b0\u1ee3c<\/b><\/h3>\r\nM\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng<\/a> ch\u00ednh l\u00e0 c\u00e1ch ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u1ed1i \u0111\u1ea7u v\u1edbi nh\u1eefng “k\u1ebb th\u00f9 v\u00f4 h\u00ecnh” \u0111ang b\u1ee7a v\u00e2y h\u1ecd trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. C\u01a1 th\u1ec3 con ng\u01b0\u1eddi l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n sinh h\u1ecdc k\u1ef3 di\u1ec7u v\u1edbi kh\u1ea3 n\u0103ng th\u00edch nghi c\u1ef1c cao, nh\u01b0ng ch\u00ednh s\u1ef1 b\u1ec1n b\u1ec9 n\u00e0y \u0111\u00f4i khi l\u1ea1i t\u1ea1o ra m\u1ed9t “\u1ea3o gi\u00e1c an to\u00e0n” tai h\u1ea1i khi ng\u01b0\u1eddi lao \u0111\u1ed9ng ch\u01b0a ch\u1ee7 \u0111\u1ed9ng s\u1eed d\u1ee5ng M\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u1ec3 b\u1ea3o h\u1ed9\r\n\r\nGiai \u0111o\u1ea1n \u0111\u1ea7u ti\u1ebfp x\u00fac v\u1edbi kh\u00ed \u0111\u1ed9c hay b\u1ee5i m\u1ecbn, c\u00e1c d\u1ea5u hi\u1ec7u th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00f4 c\u00f9ng m\u1edd nh\u1ea1t. Nh\u1eefng c\u01a1n ho h\u00fang h\u1eafng, c\u1ea3m gi\u00e1c kh\u00f4 c\u1ed5 h\u1ecdng hay m\u1ed9t ch\u00fat h\u1ee5t h\u01a1i sau ca l\u00e0m vi\u1ec7c th\u01b0\u1eddng b\u1ecb ch\u00fang ta d\u1ec5 d\u00e0ng t\u1eb7c l\u01b0\u1ee1i b\u1ecf qua, coi \u0111\u00f3 l\u00e0 h\u1ec7 qu\u1ea3 t\u1ea5t y\u1ebfu c\u1ee7a s\u1ef1 m\u1ec7t m\u1ecfi ho\u1eb7c thay \u0111\u1ed5i th\u1eddi ti\u1ebft.\r\n\r\nTh\u1ef1c t\u1ebf, \u0111\u00e2y l\u00e0 l\u00fac h\u1ec7 th\u1ed1ng ph\u00f2ng ng\u1ef1 t\u1ef1 nhi\u00ean \u0111ang g\u1ed3ng m\u00ecnh ch\u1ed1ng ch\u1ecdi. Khi ch\u00fang ta ng\u1eebng ch\u00fa \u00fd v\u00e0 kh\u00f4ng trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng, c\u00e1c h\u1ea1t vi m\u00f4 v\u00e0 ph\u00e2n t\u1eed h\u00f3a ch\u1ea5t kh\u00f4ng h\u1ec1 bi\u1ebfn m\u1ea5t m\u00e0 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh “x\u00e2m l\u0103ng” b\u1ec1n b\u1ec9.\r\n\r\nCh\u00fang l\u00e1ch qua c\u00e1c h\u00e0ng r\u00e0o l\u1ecdc \u1edf m\u0169i, h\u1ecdng \u0111\u1ec3 ti\u1ebfn th\u1eb3ng v\u00e0o c\u00e1c nang ph\u1ed5i t\u1eadn c\u00f9ng. S\u1ef1 t\u00edch t\u1ee5 n\u00e0y di\u1ec5n ra theo nguy\u00ean l\u00fd “t\u00edch ti\u1ec3u th\u00e0nh \u0111\u1ea1i”, bi\u1ebfn ph\u1ed5i th\u00e0nh m\u1ed9t b\u00e3i ch\u1ee9a \u0111\u1ed9c t\u1ed1 to l\u1edbn nh\u01b0ng m\u00e0 ch\u00fang ta l\u1ea1i kh\u00f4ng th\u1ec3 c\u0169ng nh\u01b0 kh\u00f4ng h\u1ec1 bi\u1ebft g\u00ec cho \u0111\u1ebfn khi n\u00f3 th\u1eadt s\u1ef1 x\u1ea3y \u0111\u1ebfn nh\u01b0ng l\u00fac \u0111\u00f3 s\u1ebd l\u00e0 qu\u00e1 mu\u1ed9n.\r\n\r\nKhi ng\u01b0\u1ee1ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a c\u01a1 th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1, nh\u1eefng t\u00edn hi\u1ec7u c\u1ea7u c\u1ee9u y\u1ebfu \u1edbt ban \u0111\u1ea7u s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh nh\u1eefng c\u0103n b\u1ec7nh m\u00e3n t\u00ednh \u0111eo b\u00e1m su\u1ed1t \u0111\u1eddi s\u1ebd l\u00e0 m\u1ed9t h\u1eadu qu\u1ea3 c\u1ee7a vi\u1ec7c l\u00e0m trong kh\u00f4ng gian \u0111\u00e3 c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb nhi\u1ec5m m\u00e0 kh\u00f4ng c\u00f3 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng b\u1ea3o v\u1ec7. Nh\u1eefng t\u00e1c nh\u00e2n \u0111\u1ed9c h\u1ea1i khi \u0111\u00e3 c\u1eafm r\u1ec5 s\u00e2u v\u00e0o m\u00f4 ph\u1ed5i s\u1ebd g\u00e2y ra nh\u1eefng t\u1ed5n th\u01b0\u01a1ng kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c:\r\n\r\n \t- Vi\u00eam ph\u1ebf qu\u1ea3n dai d\u1eb3ng<\/b>: \u0110\u01b0\u1eddng th\u1edf lu\u00f4n trong tr\u1ea1ng th\u00e1i s\u01b0ng t\u1ea5y v\u00e0 k\u00edch \u1ee9ng, khi\u1ebfn vi\u1ec7c h\u00edt th\u1edf tr\u1edf th\u00e0nh m\u1ed9t g\u00e1nh n\u1eb7ng th\u01b0\u1eddng tr\u1ef1c, k\u00e8m theo nh\u1eefng c\u01a1n ho k\u00e9o d\u00e0i b\u00e0o m\u00f2n s\u1ee9c l\u1ef1c.<\/li>\r\n \t
- Hen suy\u1ec5n ngh\u1ec1 nghi\u1ec7p<\/b>: \u0110\u00e2y l\u00e0 h\u1ec7 qu\u1ea3 tr\u1ef1c ti\u1ebfp t\u1eeb vi\u1ec7c ti\u1ebfp x\u00fac qu\u00e1 m\u1ee9c v\u1edbi c\u00e1c d\u1ecb nguy\u00ean c\u00f4ng nghi\u1ec7p, khi\u1ebfn c\u00e1c ti\u1ec3u ph\u1ebf qu\u1ea3n co th\u1eaft \u0111\u1ed9t ng\u1ed9t, g\u00e2y ra nh\u1eefng c\u01a1n kh\u00f3 th\u1edf c\u1ea5p t\u00ednh \u0111\u1ea7y nguy hi\u1ec3m ngay t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c n\u1ebfu thi\u1ebfu M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u1ea1t chu\u1ea9n l\u1ecdc.<\/li>\r\n \t
- S\u1ef1 t\u00e0n ph\u00e1 ch\u1ee9c n\u0103ng ph\u1ed5i v\u0129nh vi\u1ec5n<\/b>: Nghi\u00eam tr\u1ecdng nh\u1ea5t l\u00e0 t\u00ecnh tr\u1ea1ng x\u01a1 h\u00f3a ho\u1eb7c suy gi\u1ea3m kh\u1ea3 n\u0103ng trao \u0111\u1ed5i oxy. L\u00fac n\u00e0y, ph\u1ed5i kh\u00f4ng c\u00f2n \u0111\u1ee7 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, khi\u1ebfn ng\u01b0\u1eddi lao \u0111\u1ed9ng r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i thi\u1ebfu oxy kinh ni\u00ean gi\u00e1 ph\u1ea3i tr\u1ea3 khi xem nh\u1eb9 vi\u1ec7c trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u1ec3 ng\u0103n ng\u1eeba t\u1eeb s\u1edbm.<\/li>\r\n<\/ul>\r\n
G\u00e1nh N\u1eb7ng Chi Ph\u00ed V\u00e0 Hi\u1ec7u Su\u1ea5t Lao \u0110\u1ed9ng S\u1ee5t Gi\u1ea3m<\/b><\/h3>\r\nC\u00e1i gi\u00e1 c\u1ee7a s\u1ef1 l\u01a1 l\u00e0 b\u1ea3o h\u1ed9 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1c b\u00e1o c\u00e1o y t\u1ebf m\u00e0 c\u00f2n b\u1eb1ng nh\u1eefng con s\u1ed1 t\u00e0i ch\u00ednh \u0111\u1ea7y nghi\u1ec7t ng\u00e3 \u0111\u1eb7c bi\u1ec7t khi ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0m trong c\u00e1c kh\u00f4ng gian c\u00f3 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p. Nh\u1eefng h\u00f3a \u0111\u01a1n vi\u1ec7n ph\u00ed d\u00e0i d\u1eb1ng d\u1eb7c, chi ph\u00ed thu\u1ed1c men duy tr\u00ec v\u00e0 c\u00e1c \u0111\u1ee3t tr\u1ecb li\u1ec7u \u0111\u1eaft \u0111\u1ecf s\u1ebd nhanh ch\u00f3ng ng\u1ed1n s\u1ea1ch nh\u1eefng kho\u1ea3n t\u00edch l\u0169y t\u1eeb c\u00f4ng s\u1ee9c lao \u0111\u1ed9ng. \r\n\r\nTrong k\u1ecbch b\u1ea3n t\u1ed3i t\u1ec7 nh\u1ea5t, khi c\u01a1 th\u1ec3 kh\u00f4ng n\u1ed5i khi\u1ebfn h\u1ecd bu\u1ed9c ph\u1ea3i r\u1eddi b\u1ecf ngh\u1ec1 nghi\u1ec7p g\u1eafn b\u00f3, \u0111\u1ed1i m\u1eb7t v\u1edbi t\u01b0\u01a1ng lai b\u1ea5t \u0111\u1ecbnh v\u00ec m\u1ea5t \u0111i ngu\u1ed3n thu nh\u1eadp ch\u00ednh. X\u00e9t v\u1ec1 g\u00f3c \u0111\u1ed9 v\u1eadn h\u00e0nh, l\u00e0m vi\u1ec7c l\u00e2u trong kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p khi\u1ebfn ng\u01b0\u1eddi th\u1ee3 m\u1ec7t nhanh v\u00e0 m\u1ea5t d\u1ea7n s\u1ef1 t\u1ec9nh t\u00e1o trong ca. Khi n\u1ed3ng \u0111\u1ed9 oxy trong m\u00e1u th\u1ea5p, kh\u1ea3 n\u0103ng t\u1eadp trung c\u1ee7a n\u00e3o b\u1ed9 suy gi\u1ea3m, ph\u1ea3n x\u1ea1 tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p\r\n\r\n\u0110\u00e2y ch\u00ednh l\u00e0 “k\u1ebb ti\u1ebfp tay” cho c\u00e1c sai s\u00f3t k\u1ef9 thu\u1eadt v\u00e0 tai n\u1ea1n lao \u0111\u1ed9ng \u0111\u00e1ng ti\u1ebfc, s\u1ebd g\u00e2y nguy \u0111\u1ebfn m\u1ea1ng s\u1ed1ng c\u1ee7a ch\u00ednh m\u00ecnh v\u00e0 \u0111\u1ed3ng nghi\u1ec7p xung quanh. V\u00ec v\u1eady, vi\u1ec7c trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p \u0111\u1ea1t chu\u1ea9n ngay t\u1eeb h\u00f4m nay kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh, m\u00e0 l\u00e0 m\u1ed9t vi\u1ec7c ti\u00eau chi c\u00f3 t\u00ednh to\u00e1n, th\u00f4ng minh, m\u1ed9t c\u00e1i khi\u00ean v\u1eefng ch\u1eafc cho t\u01b0\u01a1ng lai v\u00e0 h\u1ea1nh ph\u00fac b\u1ec1n v\u1eefng c\u1ee7a m\u1ed7i ng\u01b0\u1eddi lao \u0111\u1ed9ng.\r\n\r\n\n![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2026\/01\/mat-na-phong-doc-3m-chuyen-dung-nhan-dien.jpg\" "\\"\\"")
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Nh\u1eadn Di\u1ec7n V\u1edbi Ki\u1ec3u D\u00e1ng Chuy\u00ean Nghi\u1ec7p Chu\u1ea9n Thi\u1ebft B\u1ecb B\u1ea3o H\u1ed9 Lao \u0110\u1ed9ng. M\u00e0u S\u1eafc Trung T\u00ednh K\u1ebft H\u1ee3p K\u1ebft C\u1ea5u Ch\u1eafc Ch\u1eafn, Th\u1ec3 Hi\u1ec7n T\u00ednh An To\u00e0n V\u00e0 \u0110\u1ed9 Tin C\u1eady Cao<\/figcaption><\/figure>\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng L\u00e1 Ch\u1eafn C\u00f4ng Ngh\u1ec7 Kh\u00e1c Bi\u1ec7t Ho\u00e0n To\u00e0n V\u1edbi Kh\u1ea9u Trang<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, s\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa m\u1ed9t chi\u1ebfc kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ed9t chi\u1ebfc M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1ec7 l\u1ee5y kh\u00f4n l\u01b0\u1eddng v\u1ec1 s\u1ee9c kh\u1ecfe. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn mang t\u00e2m l\u00fd “c\u00f3 c\u00f2n h\u01a1n kh\u00f4ng” khi b\u01b0\u1edbc v\u00e0o m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t ch\u1ec9 v\u1edbi m\u1ed9t l\u1edbp v\u1ea3i m\u1ecfng manh. Nh\u01b0ng khi m\u00e0 ta so s\u00e1nh v\u1ec1 c\u1ea1nh khoa h\u1ecdc – k\u1ef9 thu\u1eadt th\u00ec s\u1ebd cho ch\u00fang th\u1ea5y \u0111\u01b0\u1ee3c m\u1ed9t kho\u1ea3ng c\u00e1ch kh\u1ed5ng l\u1ed3 v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7.\r\nC\u01a1 Ch\u1ebf L\u1ecdc Ba T\u1ea7ng C\u1ee7a Phin L\u1ecdc Cartridge<\/b><\/h3>\r\n\u0110\u1ec3 hi\u1ec3u \u0111\u00fang v\u1ec1 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, ch\u00fang ta kh\u00f4ng n\u00ean coi n\u00f3 l\u00e0 m\u1ed9t chi\u1ebfc kh\u1ea9u trang cao c\u1ea5p. Th\u1ef1c ch\u1ea5t, \u0111\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p ch\u1ee7 \u0111\u1ed9ng nh\u1ea5t l\u00e0 c\u00e1c d\u1ea1ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1o ra theo m\u1ed9t ti\u00eau chu\u1ea9n an to\u00e0n r\u1ea5t l\u00e0 nghi\u00eam ng\u1eb7t. \r\n\r\nN\u1ebfu nh\u01b0 kh\u1ea9u trang ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00e1i “l\u01b0\u1edbi” ng\u0103n ch\u1eb7n r\u00e1c r\u01b0\u1edfi v\u1eadt l\u00fd, th\u00ec M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M gi\u1ed1ng nh\u01b0 m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd kh\u00ed th\u1ea3i thu nh\u1ecf \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean khu\u00f4n m\u1eb7t ng\u01b0\u1eddi lao \u0111\u1ed9ng. N\u00f3 t\u1ea1o ra m\u1ed9t chu tr\u00ecnh h\u00edt th\u1edf kh\u00e9p k\u00edn, n\u01a1i kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m bu\u1ed9c ph\u1ea3i \u0111i qua c\u00e1c r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t tr\u01b0\u1edbc khi ch\u1ea1m t\u1edbi ph\u1ebf nang.\r\n\r\nNguy\u00ean l\u00fd c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y n\u1eb1m \u1edf s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng phin l\u1ecdc (cartridge) \u2014 y\u1ebfu t\u1ed1 l\u00e0m n\u00ean s\u1ef1 hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed7i h\u01a1i th\u1edf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c “l\u00e0m s\u1ea1ch” qua ba giai \u0111o\u1ea1n ch\u00ednh:\r\n\r\n \t- V\u00f4 hi\u1ec7u h\u00f3a h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn:<\/strong> C\u00e1c h\u1ea1t b\u1ee5i m\u1ecbn nh\u01b0 PM2.5 hay th\u1eadm ch\u00ed PM0.1 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn m\u1ee9c l\u00e0m xuy\u00ean qua nh\u1eefng th\u1edb v\u1ea3i hay c\u00e1c lo\u1ea1i kh\u1ea9u trang v\u00e0 \u0111i th\u1eb3ng v\u00e0o m\u00e1u. C\u00e1i phin l\u1ecdc s\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng c\u00f3 c\u1ea5u tr\u00fac s\u1ee3i si\u00eau d\u00e0y \u0111\u1eb7c, \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o ra m\u00ea tr\u1eadn. T\u1ea1i \u0111\u00e2y, c\u00e1c h\u1ea1t b\u1ee5i b\u1ecb gi\u1eef l\u1ea1i kh\u00f4ng ch\u1ec9 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ch\u1eb7n tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n nh\u1edd v\u00e0o t\u0129nh \u0111i\u1ec7n, va ch\u1ea1m qu\u00e1n t\u00ednh v\u00e0 khu\u1ebfch t\u00e1n. S\u1ebd gi\u00fap cho nh\u1eefng ph\u00e2n t\u1eed b\u1ee5i li ti nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 tho\u00e1t kh\u1ecfi “b\u1eaby” l\u1ecdc.<\/li>\r\n \t
- H\u1ea5p ph\u1ee5 kh\u00ed \u0111\u1ed9c v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t mang t\u00ednh s\u1ed1ng c\u00f2n c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00f4ng c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd h\u1eefu h\u00ecnh \u0111\u1ec3 b\u1ecb “ch\u1eb7n” l\u1ea1i. Thay v\u00e0o \u0111\u00f3, m\u1eb7t n\u1ea1 s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t than ho\u1ea1t t\u00ednh. L\u00fac m\u00e0 c\u00e1c ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c \u0111i qua, ch\u00fang b\u1ecb h\u00fat v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf th\u00f4ng qua l\u1ef1c h\u00fat ph\u00e2n t\u1eed ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp. C\u1ea7n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t ph\u00e9p n\u00e0y: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c l\u1ea1i trong l\u1edbp v\u1eadt li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u00e1 hu\u1ef7 hay trung ho\u00e0 ch\u00fang, v\u00e0 s\u1ee9c ch\u1ee9a \u0111\u00f3 l\u00e0 h\u1eefu h\u1ea1n. Khi l\u1edbp than \u0111\u00e3 no, kh\u00ed \u0111\u1ed9c \u0111i th\u1eb3ng qua m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u b\u00e1o n\u00e0o. Phin l\u1ecdc c\u0169ng ch\u1ec9 x\u1eed l\u00fd \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed, v\u00e0 n\u00f3 kh\u00f4ng sinh ra \u00f4xy.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n tr\u01b0\u1edbc h\u01a1i h\u00f3a ch\u1ea5t m\u1ea1nh:<\/strong> \u1ede c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t (full-face) nh\u01b0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M. Thi\u1ebft b\u1ecb c\u00f2n t\u00edch h\u1ee3p l\u1edbp k\u00ednh c\u01b0\u1eddng l\u1ef1c ch\u1ed1ng \u0111\u1ecdng s\u01b0\u01a1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ni\u00eam m\u1ea1c m\u1eaft \u2013 n\u01a1i v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c lo\u1ea1i h\u01a1i cay, kh\u00ed clo hay c\u00e1c ch\u1ea5t l\u1ecfng b\u1eafn t\u00f3e. \u0110\u00e2y l\u00e0 ph\u1ea7n b\u1ea3o v\u1ec7 m\u1eaft v\u00e0 da m\u1eb7t, t\u00e1ch b\u1ea1ch v\u1edbi ph\u1ea7n l\u1ecdc kh\u00ed, n\u00ean khi ch\u1ecdn thi\u1ebft b\u1ecb ph\u1ea3i x\u00e9t ri\u00eang t\u1eebng ph\u1ea7n thay v\u00ec coi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 l\u00e0 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ecdi m\u1ed1i nguy.<\/li>\r\n<\/ul>\r\n
Kh\u00e1c Bi\u1ec7t C\u1ed1t L\u00f5i So V\u1edbi Kh\u1ea9u Trang Th\u01b0\u1eddng<\/b><\/h3>\r\nSai l\u1ea7m ph\u1ed5 bi\u1ebfn nhi\u1ec1u nh\u1ea5t b\u00e2y gi\u1edd c\u1ee7a ng\u01b0\u1eddi l\u00e0m \u1edf c\u00e1c c\u00f4ng tr\u01b0\u1eddng hay x\u01b0\u1edfng s\u01a1n ch\u00ednh l\u00e0 \u0111\u1eb7t ni\u1ec1m tin v\u00e0o kh\u1ea9u trang l\u00e0m b\u1eb1ng v\u1ea3i ho\u1eb7c kh\u1ea9u trang d\u1ea1ng y t\u1ebf thay v\u00ec trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. \u0110\u1ec3 th\u1ea5y r\u00f5 s\u1ef1 nguy hi\u1ec3m c\u1ee7a quan ni\u1ec7m n\u00e0y, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch ba y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t:\r\n\r\n\u0110\u1ed9 k\u00edn kh\u00edt \u2013 Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n: <\/b>Kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng, do \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf m\u1ec1m m\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac khung x\u01b0\u01a1ng, lu\u00f4n \u0111\u1ec3 l\u1ea1i nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn \u1edf v\u00f9ng c\u00e1nh m\u0169i, hai b\u00ean m\u00e1 v\u00e0 d\u01b0\u1edbi c\u1eb1m. Theo c\u00e1c nghi\u00ean c\u1ee9u an to\u00e0n, l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed “r\u00f2 r\u1ec9” qua c\u00e1c khe n\u00e0y \u1edf kh\u1ea9u trang c\u00f3 th\u1ec3 l\u00ean t\u1edbi 20\u201330%.\r\n\r\n Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ebf t\u1ea1o t\u1eeb silicon ho\u1eb7c nh\u1ef1a d\u1ebbo y t\u1ebf cao c\u1ea5p v\u1edbi thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc. L\u1edbp \u0111\u1ec7m n\u00e0y co gi\u00e3n v\u00e0 \u00f4m kh\u00edt l\u1ea5y m\u1ecdi \u0111\u01b0\u1eddng cong c\u1ee7a khu\u00f4n m\u1eb7t, t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t \u00e2m khi h\u00edt v\u00e0o, \u00e9p ch\u1eb7t m\u1eb7t n\u1ea1 v\u00e0o da. Nh\u1edd \u0111\u00f3 ph\u1ea7n l\u1edbn kh\u00f4ng kh\u00ed h\u00edt v\u00e0o bu\u1ed9c ph\u1ea3i \u0111i qua phin l\u1ecdc. M\u1ee9c k\u00edn th\u1eadt th\u00ec kh\u00e1c nhau theo t\u1eebng khu\u00f4n m\u1eb7t, n\u00ean ch\u1ec9 c\u00f3 ph\u00e9p fit test do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n m\u1edbi x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model cho t\u1eebng ng\u01b0\u1eddi; r\u00e2u quai n\u00f3n ho\u1eb7c r\u00e2u d\u00e0i \u1edf v\u00f9ng gio\u0103ng ti\u1ebfp x\u00fac l\u00e0m h\u1ecfng \u0111\u1ed9 k\u00edn n\u00e0y v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o b\u00f9 l\u1ea1i \u0111\u01b0\u1ee3c.\r\n\r\nHi\u1ec7u su\u1ea5t l\u1ecdc kh\u00ed v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i:<\/b> Kh\u1ea9u trang y t\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n gi\u1ecdt b\u1eafn sinh h\u1ecdc v\u00e0 b\u1ee5i th\u00f4 trong m\u00f4i tr\u01b0\u1eddng sinh ho\u1ea1t. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u1edbi n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t cao, l\u1edbp v\u1ea3i l\u1ecdc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00e3o h\u00f2a ho\u1eb7c b\u1ecb h\u00f3a ch\u1ea5t \u0103n m\u00f2n, l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ec9 sau v\u00e0i ph\u00fat s\u1eed d\u1ee5ng. m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u1ea1i s\u1edf h\u1eefu kh\u1ea3 n\u0103ng “ch\u1ecbu t\u1ea3i” c\u1ef1c l\u1edbn. \r\n\r\nPhin l\u1ecdc ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5, cho ph\u00e9p ng\u01b0\u1eddi x\u00e0i l\u00e0m vi\u1ec7c l\u00e2u h\u01a1n khi h\u1ecd l\u00e0m trong n\u01a1i \u0111\u1eadm \u0111\u1eb7c kh\u00f3i b\u1ee5i v\u00e0 h\u01a1i \u0111\u1ed9c m\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh, ti\u00eau chu\u1ea9n ch\u1ec9 c\u00f3 \u1edf m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng.<\/a>\r\n\r\nT\u00ednh chuy\u00ean bi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn linh ho\u1ea1t: <\/b>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t kh\u00e1c c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u00ednh l\u00e0 t\u00ednh m\u00f4-\u0111un. Kh\u1ea9u trang ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng d\u1ee5ng chung chung v\u00e0 duy nh\u1ea5t. Trong khi \u0111\u00f3, v\u1edbi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i “v\u0169 kh\u00ed” t\u00f9y theo \u0111\u1ed1i th\u1ee7. N\u1ebfu l\u00e0m vi\u1ec7c trong x\u01b0\u1edfng m\u1ed9c, b\u1ea1n l\u1eafp phin l\u1ecdc b\u1ee5i; n\u1ebfu chuy\u1ec3n sang phun s\u01a1n, b\u1ea1n \u0111\u1ed5i sang phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1; n\u1ebfu l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng axit, b\u1ea1n s\u1eed d\u1ee5ng phin l\u1ecdc chuy\u00ean d\u1ee5ng cho kh\u00ed axit. \r\n\r\nS\u1ef1 linh ho\u1ea1t n\u00e0y kh\u00f4ng c\u00f2n l\u00e0 mang l\u1ea1i s\u1ef1 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c nh\u1ea5t cho t\u1eebng lo\u1ea1i \u0111\u1ed9c ch\u1ea5t m\u00e0 s\u1ebd c\u00f2n gi\u00fap gi\u1ea3m \u0111i m\u1ed9t kho\u1ea3ng \u0111\u00e1ng k\u1ec3 cho vi\u1ec7c \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i, tr\u00e1nh t\u00ecnh tr\u1ea1ng “\u0111eo cho c\u00f3” nh\u01b0ng ph\u1ed5i v\u1eabn ph\u1ea3i ch\u1ecbu t\u1ed5n th\u01b0\u01a1ng.\r\n\r\n\n![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2026\/01\/mat-na-phong-doc-3m-chuyen-dung-ben-bi.jpg\" "\\"\\"")
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap L\u1ecdc B\u1ee5i M\u1ecbn, H\u1ea5p Th\u1ee5 Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Trong M\u00f4i Tr\u01b0\u1eddng Lao \u0110\u1ed9ng Nguy H\u1ea1i. B\u1ea3o V\u1ec7 Hi\u1ec7u Qu\u1ea3 \u0110\u01b0\u1eddng H\u00f4 H\u1ea5p, Gi\u1ea3m Nguy C\u01a1 B\u1ec7nh, \u0110\u1ea3m B\u1ea3o An To\u00e0n Khi L\u00e0m Vi\u1ec7c L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n7 L\u00fd Do \u0110\u1ec3 Chuy\u1ec3n Sang D\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 l\u00fd do then ch\u1ed1t t\u1ea1i sao khi\u1ebfn cho b\u1ea1n n\u00ean suy ngh\u0129 \u0111\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 n\u00ean th\u1ef1c hi\u1ec7n s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ngay l\u1eadp t\u1ee9c.\r\n\r\nCh\u1eb7n B\u1ee5i Si\u00eau M\u1ecbn V\u00e0 B\u1ecbt K\u00edn Khe H\u1edf Quanh M\u1eb7t<\/h3>\r\n\r\nTrong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, nh\u1eefng m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 th\u01b0\u1eddng kh\u00f4ng th\u1ec3 n\u00e0o c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft. C\u00e1c h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn (PM2.5), h\u01a1i h\u00f3a ch\u1ea5t bay h\u01a1i v\u00e0 kh\u00ed \u0111\u1ed9c t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng ph\u00e2n t\u1eed nanoscopic d\u1ec5 d\u00e0ng xuy\u00ean qua c\u00e1c l\u1edbp l\u1ecdc th\u00f4ng th\u01b0\u1eddng.\r\n\r\n \t- C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7:<\/strong> M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c phin l\u1ecdc chuy\u00ean d\u1ee5ng v\u1edbi c\u1ea5u tr\u00fac \u0111a t\u1ea7ng \u0111\u1ec3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t si\u00eau nh\u1ecf n\u00e0y ngay t\u1eeb c\u1eeda ng\u00f5 h\u00f4 h\u1ea5p.<\/li>\r\n \t
- K\u1ebft qu\u1ea3:<\/strong> Lu\u1ed3ng kh\u00ed khi \u0111i v\u00e0o ph\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c thanh l\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, gi\u00fap c\u01a1 quan h\u00f4 h\u1ea5p tr\u00e1nh kh\u1ecfi s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed9c t\u1ed1 theo th\u1eddi gian. L\u00e0 c\u00e1c d\u1ea1ng kh\u1ea9u trang b\u1eb1ng lo\u1ea1i v\u1ea3i hay kh\u1ea9u trang d\u1ea1ng y t\u1ebf ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n do c\u1ea5u t\u1ea1o m\u00e0ng l\u1ecdc qu\u00e1 th\u00f4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\u0110i\u1ec3m b\u1ecb y\u1ebfu c\u1ee7a kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ed9 h\u1edf l\u1edbn \u1edf v\u00f9ng s\u1ed1ng m\u0169i v\u00e0 hai b\u00ean m\u00e1.\r\n
\r\n \t- Thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc:<\/strong> m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u00f4m l\u1ea5y c\u00e1c \u0111\u01b0\u1eddng n\u00e9t tr\u00ean khu\u00f4n m\u1eb7t, l\u00e0m ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng k\u00edn t\u01b0\u01a1ng \u0111\u1ed1i b\u00ean trong.<\/li>\r\n \t
- K\u1ef9 thu\u1eadt van th\u1edf:<\/strong> H\u1ec7 th\u1ed1ng van th\u1edf m\u1ed9t chi\u1ec1u th\u00f4ng minh \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed ch\u1ec9 \u0111i v\u00e0o qua phin l\u1ecdc v\u00e0 tho\u00e1t ra qua van x\u1ea3, gi\u1eef cho kh\u00ed b\u1ea9n kh\u00f3 lu\u1ed3n qua khe h\u1edf h\u01a1n h\u1eb3n kh\u1ea9u trang th\u01b0\u1eddng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ea3o h\u1ed9 n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao ng\u01b0\u1eddi \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng lu\u00f4n c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi \u0111\u1ee9ng gi\u1eefa t\u00e2m \u0111i\u1ec3m c\u1ee7a kh\u00f3i b\u1ee5i hay h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/li>\r\n<\/ul>\r\n
Ng\u0103n B\u1ec7nh Ngh\u1ec1 Nghi\u1ec7p V\u00e0 \u0110\u1ed5i Phin Theo T\u1eebng Vi\u1ec7c<\/h3>\r\n\r\n \t- Ng\u0103n ng\u1eeba t\u00edch t\u1ee5:<\/strong> B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9c \u0111i v\u00e0o c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u00fap ch\u1eb7n \u0111\u1ee9ng nguy c\u01a1 vi\u00eam ph\u1ed5i m\u00e3n t\u00ednh ho\u1eb7c hen suy\u1ec5n ngh\u1ec1 nghi\u1ec7p.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 n\u0103ng l\u1ef1c lao \u0111\u1ed9ng:<\/strong> Thay v\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tr\u1ecb t\u1ed1n k\u00e9m v\u00e0 m\u1ec7t m\u1ecfi trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng h\u00f4m nay gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1ed5n h\u01a1n v\u00e0 cu\u1ed9c s\u1ed1ng l\u00e0nh m\u1ea1nh \u0111\u1ebfn khi v\u1ec1 h\u01b0u.<\/li>\r\n<\/ul>\r\n\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3, v\u00e0 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng hi\u1ec3u r\u00f5 \u0111i\u1ec1u \u0111\u00f3.\r\n
\r\n \t- \u0110a d\u1ea1ng t\u00f9y ch\u1ecdn:<\/strong> T\u00f9y v\u00e0o t\u00ednh ch\u1ea5t m\u00f4i tr\u01b0\u1eddng, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecdn m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1eb9 nh\u00e0ng ho\u1eb7c m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u1ea3 v\u00f9ng m\u1eaft.<\/li>\r\n \t
- Phin l\u1ecdc t\u00f9y bi\u1ebfn:<\/strong> H\u1ec7 th\u1ed1ng phin l\u1ecdc c\u00f3 th\u1ec3 thay th\u1ebf d\u1ec5 d\u00e0ng gi\u00fap b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u1eeb l\u1ecdc b\u1ee5i m\u1ecbn trong x\u00e2y d\u1ef1ng s\u00e0ng l\u1ecdc h\u01a1i s\u01a1n h\u1eefu c\u01a1 hay kh\u00ed axit trong ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 trong v\u00e0i gi\u00e2y. S\u1ef1 linh ho\u1ea1t n\u00e0y bi\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/li>\r\n<\/ul>\r\n
\u0110eo D\u1ec5 Ch\u1ecbu, Ti\u1ebft Ki\u1ec7m D\u00e0i H\u1ea1n V\u00e0 N\u00eau G\u01b0\u01a1ng An To\u00e0n<\/h3>\r\n\r\nNhi\u1ec1u ng\u01b0\u1eddi e ng\u1ea1i m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c v\u00ec \u0111\u1ecbnh ki\u1ebfn v\u1ec1 s\u1ef1 b\u00ed b\u00e1ch v\u00e0 n\u1eb7ng n\u1ec1. Tuy nhi\u00ean, c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ebf h\u1ec7 m\u1edbi \u0111\u00e3 x\u00f3a b\u1ecf ho\u00e0n to\u00e0n r\u00e0o c\u1ea3n n\u00e0y.\r\n\r\n \t- V\u1eadt li\u1ec7u cao c\u1ea5p:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng silicon ho\u1eb7c nh\u1ef1a d\u1ebbo si\u00eau nh\u1eb9 gi\u00fap thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi da m\u1ed9t c\u00e1ch \u00eam \u00e1i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng hay \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n s\u00e2u.<\/li>\r\n \t
- L\u01b0u th\u00f4ng kh\u00ed t\u1ed1i \u01b0u:<\/strong> C\u00e1c van th\u1edf \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ee9c c\u1ea3n khi h\u00edt v\u00e0o v\u00e0 th\u1edf ra, duy tr\u00ec s\u1ef1 th\u00f4ng tho\u00e1ng. Ch\u00ednh d\u1ec5 ch\u1ecbu n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi lao \u0111\u1ed9ng duy tr\u00ec th\u00f3i quen \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ef1 nguy\u1ec7n.<\/li>\r\n<\/ul>\r\n\r\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i ti\u1ebft ki\u1ec7m h\u01a1n b\u1ea1n t\u01b0\u1edfng.\r\n
\r\n \t- T\u00e1i s\u1eed d\u1ee5ng l\u00e2u d\u00e0i:<\/strong> Thay v\u00ec ph\u1ea3i ti\u00eau t\u1ed1n h\u00e0ng t\u00e1 kh\u1ea9u trang d\u00f9ng m\u1ed9t l\u1ea7n v\u00e0 v\u1ee9t b\u1ecf ch\u00fang v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ed7i ng\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng b\u1ec1n b\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng n\u0103m tr\u1eddi n\u1ebfu \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t.<\/li>\r\n \t
- T\u1ed1i \u01b0u chi ph\u00ed:<\/strong> B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 thay th\u1ebf phin l\u1ecdc theo \u0111\u1ecbnh k\u1ef3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ef1c t\u1ebf, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch b\u1ea3o h\u1ed9.<\/li>\r\n<\/ul>\r\n\r\n
\r\n \t- Ph\u00e1t tri\u1ec3n \u00fd th\u1ee9c:<\/strong> N\u00f3 s\u1ebd \u1edf m\u1ed9t nh\u01b0 l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf kh\u00f4ng l\u1eddi nh\u1eefng nguy hi\u1ec3m ti\u1ec1m t\u00e0ng, gi\u00fap h\u00ecnh th\u00e0nh t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c:<\/strong> Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u t\u1ef1 gi\u00e1c trang b\u1ecb m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u00e2m v\u00e0 b\u1ec1n v\u1eefng v\u00e0 t\u00f4n tr\u1ecdng s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/li>\r\n<\/ul>\r\n
L\u1ef1a Ch\u1ecdn M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1i kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “m\u1eb7t n\u1ea1 v\u1ea1n n\u0103ng” c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u1ecdi lo\u1ea1i \u0111\u1ed9c t\u1ed1. Vi\u1ec7c nh\u1eafm m\u1eaft ch\u1ecdn \u0111\u1ea1i m\u1ed9t thi\u1ebft b\u1ecb che ch\u1eafn m\u00e0 kh\u00f4ng c\u0103n c\u1ee9 v\u00e0o th\u1ef1c t\u1ebf m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t sai l\u1ea7m ch\u1ebft ng\u01b0\u1eddi. Ch\u1ecdn \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 ch\u1ecdn \u0111\u00fang phin l\u1ecdc l\u00e0 hai vi\u1ec7c \u0111i li\u1ec1n nhau, v\u00e0 c\u1ea3 hai \u0111\u1ec1u v\u00f4 ngh\u0129a n\u1ebfu chi\u1ebfc m\u1eb7t n\u1ea1 kh\u00f4ng \u00f4m kh\u00edt khu\u00f4n m\u1eb7t ng\u01b0\u1eddi \u0111eo. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai d\u00f2ng thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ea1o v\u00e0 v\u00f9ng d\u00f9ng c\u1ee7a t\u1eebng d\u00f2ng:\r\n\r\nM\u1eb7t N\u1ea1 N\u1eeda M\u1eb7t Cho C\u00f4ng Vi\u1ec7c B\u1ee5i G\u1ed7 V\u00e0 S\u01a1n PU<\/h3>\r\n\r\nM\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t l\u00e0 d\u00f2ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u01b0\u1edfng nh\u1edd nh\u1eb9 v\u00e0 g\u1ecdn. V\u1edbi thi\u1ebft k\u1ebf ch\u1ec9 che ph\u1ee7 v\u00f9ng m\u0169i v\u00e0 mi\u1ec7ng, d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y t\u1eadp trung t\u1ed1i \u0111a v\u00e0o s\u1ef1 g\u1ecdn nh\u1eb9 v\u00e0 t\u00ednh c\u01a1 \u0111\u1ed9ng \u2014 ti\u00eau bi\u1ec3u l\u00e0 c\u00e1c m\u1eabu m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng d\u1ea1ng n\u1eeda m\u1eb7t.\r\n\r\n \t- \u01afu \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i:<\/b> \u0110i\u1ec3m c\u1ed9ng l\u1edbn nh\u1ea5t ch\u00ednh l\u00e0 c\u1ea5u tr\u00fac c\u00f4ng th\u00e1i h\u1ecdc, gi\u1ea3m thi\u1ec3u \u00e1p l\u1ef1c l\u00ean v\u00f9ng c\u1ed5 v\u00e0 g\u00e1y, gi\u00fap ng\u01b0\u1eddi \u0111eo ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 ca d\u00e0i m\u00e0 kh\u00f4ng th\u1ea5y n\u1eb7ng n\u1ec1. Ch\u1ea5t li\u1ec7u th\u01b0\u1eddng l\u00e0 nh\u1ef1a TPE ho\u1eb7c silicone, hai v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ec1m c\u1ee7a gio\u0103ng ti\u1ebfp x\u00fac l\u00e2u h\u01a1n cao su th\u01b0\u1eddng.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng:<\/b> T\u1ed1i \u01b0u c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i \u1edf m\u1ee9c trung b\u00ecnh nh\u01b0: phun s\u01a1n PU, ngh\u1ec1 m\u1ed9c (ch\u1ed1ng b\u1ee5i g\u1ed7 v\u00e0 m\u00f9i h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t), ho\u1eb7c c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nhi\u1ec1u b\u1ee5i b\u1eb7m. T\u00ednh th\u00edch \u1ee9ng n\u00e0y c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng d\u1ec5 k\u1ebft h\u1ee3p th\u00eam v\u1edbi k\u00ednh b\u1ea3o h\u1ed9 ho\u1eb7c m\u0169 b\u1ea3o hi\u1ec3m m\u00e0 kh\u00f4ng g\u00e2y v\u01b0\u1edbng v\u00edu.<\/li>\r\n<\/ul>\r\n
M\u1eb7t N\u1ea1 Nguy\u00ean M\u1eb7t Cho H\u01a1i Axit V\u00e0 Kh\u00ed K\u00edch \u1ee8ng M\u1eaft<\/h3>\r\n\r\n \t- Che \u0111\u01b0\u1ee3c c\u1ea3 v\u00f9ng m\u1eaft:<\/strong> V\u1edbi l\u1edbp k\u00ednh polycarbonate r\u1ed9ng b\u1ea3n, m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t ch\u1eafn th\u00eam h\u01a1i axit v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed g\u00e2y k\u00edch \u1ee9ng m\u1eaft m\u1ea1nh, ph\u1ea7n m\u00e0 m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t b\u1ecf ng\u1ecf. Nh\u01b0ng c\u1ea3 h\u1ecd thi\u1ebft b\u1ecb n\u00e0y d\u1eebng \u1edf m\u1ed9t ch\u1ed7: m\u1eb7t n\u1ea1 phin l\u1ecdc ch\u1ec9 l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed \u0111ang c\u00f3, n\u00f3 kh\u00f4ng c\u1ea5p \u00f4xy. V\u00ec v\u1eady tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng n\u00f3 trong kh\u00f4ng gian k\u00edn, h\u1ea7m h\u1ed1, b\u1ec3 ch\u1ee9a, h\u1ea7m m\u1ecf hay b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o n\u1ed3ng \u0111\u1ed9 \u00f4xy c\u00f3 th\u1ec3 d\u01b0\u1edbi 19,5%, c\u0169ng kh\u00f4ng d\u00f9ng khi v\u00e0o \u0111\u00e1m ch\u00e1y. Nh\u1eefng v\u1ecb tr\u00ed \u0111\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng b\u00ecnh th\u1edf c\u1ea5p kh\u00ed \u0111\u1ed9c l\u1eadp ho\u1eb7c h\u1ec7 c\u1ea5p kh\u00ed \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 ph\u1ea3i \u0111o kh\u00ed tr\u01b0\u1edbc khi v\u00e0o.<\/li>\r\n \t
- Gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0:<\/b> M\u1eb7c d\u00f9 m\u1ee9c gi\u00e1 c\u1ee7a d\u00f2ng nguy\u00ean m\u1eb7t th\u01b0\u1eddng cao h\u01a1n so v\u1edbi d\u00f2ng n\u1eeda m\u1eb7t, nh\u01b0ng gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 s\u1ee9c kh\u1ecfe m\u00e0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng mang l\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 \u0111ong \u0111\u1ebfm. N\u00f3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecfng ho\u00e1 ch\u1ea5t v\u00f9ng m\u1eb7t v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u1eaft do h\u01a1i k\u00edch \u1ee9ng.<\/li>\r\n<\/ul>\r\n
Ch\u1ecdn \u0110\u00fang Phin L\u1ecdc V\u00e0 C\u00e1ch L\u00e0m Fit Test<\/h3>\r\n\r\nN\u1ebfu th\u00e2n m\u1eb7t n\u1ea1 l\u00e0 khung x\u01b0\u01a1ng th\u00ec phin l\u1ecdc ch\u00ednh l\u00e0 “tr\u00e1i tim” quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u00f2n. Sai l\u1ea7m l\u1edbn nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0 l\u1eafp b\u1ea5t k\u1ef3 lo\u1ea1i phin l\u1ecdc n\u00e0o c\u00f3 s\u1eb5n v\u00e0o m\u1eb7t n\u1ea1. V\u1edbi M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng, m\u1ed7i lo\u1ea1i phin l\u1ecdc d\u00f9ng v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i ch\u1ec9 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed:\r\n\r\n \t- Phin l\u1ecdc b\u1ee5i m\u1ecbn:<\/b> S\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng l\u1ecdc c\u01a1 h\u1ecdc si\u00eau kh\u00edt \u0111\u1ec3 b\u1eaby c\u00e1c h\u1ea1t b\u1ee5i PM2.5, b\u1ee5i kim lo\u1ea1i ho\u1eb7c s\u1ee3i th\u1ee7y tinh.<\/li>\r\n \t
- Phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1:<\/b> Ch\u1ee9a than ho\u1ea1t t\u00ednh \u0111\u00e3 qua x\u1eed l\u00fd \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ph\u00e2n t\u1eed m\u00f9i t\u1eeb s\u01a1n, dung m\u00f4i, x\u0103ng d\u1ea7u.<\/li>\r\n \t
- Phin l\u1ecdc kh\u00ed axit\/h\u00f3a ch\u1ea5t \u0111\u1eb7c th\u00f9:<\/b> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u1eebng c\u00e1c h\u01a1i \u0111\u1ed9c nh\u01b0 Clo, Amoniac, ho\u1eb7c kh\u00ed l\u01b0u hu\u1ef3nh.<\/li>\r\n \t
- L\u01b0u \u00fd sinh t\u1eed:<\/b> Vi\u1ec7c s\u1eed d\u1ee5ng sai lo\u1ea1i phin l\u1ecdc c\u0169ng nguy hi\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c kh\u00f4ng \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed9t chi\u1ebfc phin l\u1ecdc b\u1ee5i s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec tr\u01b0\u1edbc h\u01a1i s\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\r\n<\/ul>\r\n\r\n\r\nSau khi \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c “l\u00e1 ch\u1eafn” ph\u00f9 h\u1ee3p, vi\u1ec7c cu\u1ed1i c\u00f9ng c\u1ea7n l\u00e0m tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o v\u00f9ng nguy hi\u1ec3m l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo. H\u00e3y d\u00f9ng l\u00f2ng b\u00e0n tay b\u1ecbt ch\u1eb7t \u0111\u01b0\u1eddng kh\u00ed v\u00e0o v\u00e0 h\u00edt m\u1ed9t h\u01a1i th\u1eadt nh\u1eb9. N\u1ebfu m\u1eb7t n\u1ea1 h\u01a1i x\u1eb9p xu\u1ed1ng v\u00e0 b\u1ea1n kh\u00f4ng th\u1ea5y lu\u1ed3ng kh\u00ed n\u00e0o r\u00f2 qua m\u00e9p silicone \u1edf s\u1ed1ng m\u0169i hay c\u1eb1m th\u00ec thi\u1ebft b\u1ecb \u0111ang \u00f4m \u0111\u1ee7 k\u00edn cho l\u1ea7n \u0111eo n\u00e0y.\n\nC\u1ea7n g\u1ecdi \u0111\u00fang t\u00ean thao t\u00e1c v\u1eeba m\u00f4 t\u1ea3: b\u1ecbt \u0111\u01b0\u1eddng kh\u00ed r\u1ed3i h\u00edt nh\u1eb9 l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo, l\u00e0m m\u1ed7i l\u1ea7n \u0111\u1ed9i m\u1eb7t n\u1ea1 l\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i fit test. OSHA 1910.134 v\u1ec1 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p<\/a> t\u00e1ch b\u1ea1ch hai vi\u1ec7c n\u00e0y: ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn do ch\u00ednh ng\u01b0\u1eddi \u0111eo t\u1ef1 l\u00e0m tr\u01b0\u1edbc m\u1ed7i l\u1ea7n v\u00e0o khu v\u1ef1c \u00f4 nhi\u1ec5m, c\u00f2n fit test l\u00e0 ph\u00e9p th\u1eed \u0111\u1ecbnh t\u00ednh ho\u1eb7c \u0111\u1ecbnh l\u01b0\u1ee3ng do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t l\u1ea7n \u0111\u1ea7u v\u00e0 l\u1eb7p l\u1ea1i \u0111\u1ecbnh k\u1ef3, g\u1eafn v\u1edbi \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model. C\u0169ng theo t\u00e0i li\u1ec7u n\u00e0y, h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t th\u1ea5p h\u01a1n h\u1eb3n lo\u1ea1i nguy\u00ean m\u1eb7t, n\u00ean vi\u1ec7c ch\u1ecdn gi\u1eefa hai d\u00f2ng ph\u1ea3i d\u1ef1a v\u00e0o n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c t\u1ea1i v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c d\u1ec5 th\u1edf. V\u1edbi nh\u00f3m kh\u1ea9u trang l\u1ecdc b\u1ee5i d\u00f9ng m\u1ed9t l\u1ea7n, h\u01b0\u1edbng d\u1eabn c\u1ee7a NIOSH v\u1ec1 kh\u1ea9u trang l\u1ecdc b\u1ee5i<\/a> nh\u1eafc th\u00eam m\u1ed9t d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft: s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ee9ng nh\u1eadn lu\u00f4n in m\u00e3 d\u1ea1ng TC 84A-XXXX tr\u00ean th\u00e2n, kh\u00f4ng c\u00f3 d\u00e3y s\u1ed1 \u0111\u00f3 th\u00ec kh\u00f4ng c\u00f3 c\u01a1 s\u1edf n\u00e0o \u0111\u1ec3 t\u00ednh h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7.\r\n\r\n\n
![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2026\/01\/mat-na-phong-doc-3m-chuyen-dung-an-toan.jpg\" "\\"\\"")
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap B\u1ea3o V\u1ec7 H\u1ec7 H\u00f4 H\u1ea5p Tr\u01b0\u1edbc Kh\u00f3i B\u1ee5i, Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Nh\u1edd C\u00f4ng Ngh\u1ec7 Phin L\u1ecdc \u0110a T\u1ea7ng Hi\u1ec7u Qu\u1ea3. Thi\u1ebft K\u1ebf \u00d4m Kh\u00edt, D\u1ec5 Th\u1edf, Linh Ho\u1ea1t Thay Phin L\u1ecdc, \u0110\u1ea3m B\u1ea3o An To\u00e0n L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nChi\u1ebfn Thu\u1eadt Duy Tr\u00ec V\u00e0 B\u1ea3o D\u01b0\u1ee1ng Cho L\u00e1 Ch\u1eafn H\u00f4 H\u1ea5p<\/strong><\/h2>\r\n\r\n\r\n\r\n\r\nVi\u1ec7c b\u1ea1n d\u00f9ng s\u1ed1 ti\u1ec1n c\u0169ng kha kh\u00e1 l\u1edbn \u0111\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cao c\u1ea5p th\u1ef1c t\u1ebf m\u1edbi ch\u1ec9 gi\u00fap b\u1ea1n \u0111i \u0111\u01b0\u1ee3c n\u1eeda ch\u1eb7ng \u0111\u01b0\u1eddng trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i \u00f4 nhi\u1ec5m. S\u1ef1 an to\u00e0n th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf th\u01b0\u01a1ng hi\u1ec7u hay gi\u00e1 ti\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb, m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c, th\u1ea5u hi\u1ec3u v\u00e0 ch\u0103m s\u00f3c n\u00f3 h\u1eb1ng ng\u00e0y.\r\n\r\n\r\n\r\nNguy\u00ean T\u1eafc X\u01b0\u01a1ng M\u00e1u Trong Qu\u00e1 Tr\u00ecnh V\u1eadn H\u00e0nh<\/b><\/h3>\r\n\r\n \t- Nh\u1ea1y b\u00e9n v\u1edbi c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o<\/b>: Trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i, kh\u1ee9u gi\u00e1c v\u00e0 c\u1ea3m gi\u00e1c h\u00f4 h\u1ea5p l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o s\u1edbm g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi th\u1ee3. \u0110ang l\u00e0m m\u00e0 b\u1ea1n ch\u1ee3t nh\u1eadn th\u1ea5y m\u1ed9t l\u00e0n h\u01b0\u01a1ng l\u1ea1, m\u00f9i h\u00f3a ch\u1ea5t thoang tho\u1ea3ng ho\u1eb7c c\u1ea3m th\u1ea5y vi\u1ec7c h\u00edt th\u1edf tr\u1edf n\u00ean n\u1eb7ng n\u1ec1, kh\u00f3 kh\u0103n h\u01a1n b\u00ecnh th\u01b0\u1eddng, \u0111\u00f3 ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u cho th\u1ea5y phin l\u1ecdc \u0111\u00e3 b\u00e3o ho\u00e0 ho\u1eb7c m\u1eb7t n\u1ea1 \u0111ang b\u1ecb h\u1edf. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, gi\u1ea3i ph\u00e1p duy nh\u1ea5t l\u00e0 l\u1eadp t\u1ee9c r\u1eddi kh\u1ecfi khu v\u1ef1c \u00f4 nhi\u1ec5m r\u1ed3i m\u1edbi ki\u1ec3m tra, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00e1n l\u1ea1i d\u00f9 ch\u1ec9 v\u00e0i ph\u00fat. C\u0169ng l\u01b0u \u00fd ng\u01b0\u1ee1ng c\u1ea3m nh\u1eadn b\u1eb1ng m\u0169i kh\u00f4ng ph\u1ea3i ph\u00e9p \u0111o: nhi\u1ec1u ch\u1ea5t c\u00f3 ng\u01b0\u1ee1ng g\u00e2y h\u1ea1i th\u1ea5p h\u01a1n ng\u01b0\u1ee1ng ng\u1eedi th\u1ea5y, n\u00ean l\u1ecbch thay phin ph\u1ea3i \u0111\u1eb7t theo gi\u1edd s\u1eed d\u1ee5ng v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng \u0111\u1ee3i t\u1edbi l\u00fac ng\u1eedi th\u1ea5y m\u00f9i.<\/li>\r\n \t
- Thi\u1ebft b\u1ecb c\u1ea5p theo t\u1eebng ng\u01b0\u1eddi:<\/strong> Chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i gi\u00e0y \u0111\u00f3ng ri\u00eang theo c\u1ee1 b\u00e0n ch\u00e2n, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf \u0111\u1ed9 \u00f4m kh\u00edt. Vi\u1ec7c d\u00f9ng chung thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u1ec7 sinh d\u1ecbch t\u1ec5 m\u00e0 c\u00f2n tri\u1ec7t ti\u00eau kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, b\u1edfi m\u1ed7i c\u1ea5u tr\u00fac x\u01b0\u01a1ng m\u1eb7t s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m ti\u1ebfp x\u00fac kh\u00e1c.<\/li>\r\n \t
- Chi\u1ebfn thu\u1eadt h\u1ed3i s\u1ee9c cho l\u00e1 ph\u1ed1i:<\/strong> \u0110eo m\u1eb7t n\u1ea1 trong th\u1eddi gian d\u00e0i, nh\u1ea5t l\u00e0 \u1edf n\u01a1i n\u00f3ng b\u1ee9c ho\u1eb7c khi ph\u1ea3i v\u1eadn \u0111\u1ed9ng m\u1ea1nh, l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n h\u00f4 h\u1ea5p v\u00e0 g\u00e1nh n\u1eb7ng tim m\u1ea1ch. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do quy \u0111\u1ecbnh y\u00eau c\u1ea7u kh\u00e1m s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p cho ng\u01b0\u1eddi lao \u0111\u1ed9ng. H\u00e3y thi\u1ebft l\u1eadp nh\u1eefng kho\u1ea3ng ngh\u1ec9 ng\u1eafn t\u1ea1i n\u01a1i c\u00f3 kh\u00f4ng kh\u00ed trong l\u00e0nh \u0111\u1ec3 ph\u1ed1i c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c thanh l\u1ecdc v\u00e0 ph\u1ee5c h\u1ed3i n\u0103ng l\u1ef1c trao \u0111\u1ed5i kh\u00ed.<\/li>\r\n<\/ul>\r\n
Quy Tr\u00ecnh B\u1ea3o Qu\u1ea3n V\u00e0 L\u01b0u Kho Phin L\u1ecdc<\/strong><\/h3>\r\nB\u1ed1n vi\u1ec7c d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n v\u1eadn h\u00e0nh th\u01b0\u1eddng b\u1ecb b\u1ecf qua c\u1ee7a m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p<\/a> \u0111\u00e3 mua \u0111\u00fang.\r\n\r\nV\u1ec7 sinh sau m\u1ed7i ca l\u00e0m vi\u1ec7c:<\/strong> M\u1ed3 h\u00f4i, d\u1ea7u nh\u1eddn t\u1eeb da m\u1eb7t v\u00e0 b\u1ee5i b\u1ea9n b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u00e0 t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u l\u00e0m tho\u00e1i h\u00f3a ch\u1ea5t li\u1ec7u silicon ho\u1eb7c nh\u1ef1a d\u1ebbo. Sau m\u1ed7i ng\u00e0y l\u00e0m vi\u1ec7c, h\u00e3y s\u1eed d\u1ee5ng kh\u0103n \u1ea9m \u0111\u1ec3 ch\u00f9i nh\u1eb9 c\u00e1c b\u1ed9 ph\u1eadn. Tr\u00e1nh xa c\u00e1c lo\u1ea1i dung m\u00f4i t\u1ea9y r\u1eeda m\u1ea1nh v\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u00e0m gi\u00f2n v\u00e0 n\u1ee9t v\u1ee1 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb.\r\n\r\nK\u1ef9 thu\u1eadt b\u1ea3o l\u01b0u phin l\u1ecdc:<\/strong> Phin l\u1ecdc l\u00e0 b\u1ed9 ph\u1eadn “nh\u1ea1y c\u1ea3m” nh\u1ea5t c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen \u0111\u1ec3 nguy\u00ean phin l\u1ecdc tr\u00ean m\u1eb7t n\u1ea1 sau khi d\u00f9ng, \u0111i\u1ec1u n\u00e0y khi\u1ebfn phin l\u1ecdc ti\u1ebfp t\u1ee5c h\u00fat \u1ea9m v\u00e0 t\u1ea1p ch\u1ea5t t\u1eeb kh\u00f4ng kh\u00ed xung quanh, l\u00e0m hao tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. C\u00e1ch \u0111\u00fang nh\u1ea5t l\u00e0 th\u00e1o r\u1eddi phin l\u1ecdc, \u0111\u1eb7t v\u00e0o t\u00fai k\u00edn kh\u00ed (t\u00fai zip) ho\u1eb7c h\u1ed9p ch\u1ed1ng \u1ea9m \u0111\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i “ngh\u1ec9” ho\u00e0n to\u00e0n cho l\u1edbp than ho\u1ea1t t\u00ednh b\u00ean trong.\r\n\r\nKi\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef:<\/strong> Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh n\u1eafng s\u1ebd l\u00e0 k\u1ebb th\u00f9 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. Vi\u1ec7c \u0111\u1ec3 m\u1eb7t n\u1ea1 trong c\u1ed1p xe n\u00f3ng ho\u1eb7c d\u01b0\u1edbi \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp s\u1ebd khi\u1ebfn ph\u1ea7n gio\u0103ng \u00e1p s\u00e1t m\u1eb7t b\u1ecb bi\u1ebfn d\u1ea1ng, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1edf kh\u00ed khi s\u1eed d\u1ee5ng l\u1ea1i. H\u00e3y ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed kh\u00f4, tho\u00e1ng v\u00e0 s\u1ea1ch \u0111\u1ec3 c\u1ea5t gi\u1eef thi\u1ebft b\u1ecb.\r\n\r\nThanh tra thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3:<\/strong> H\u00e3y t\u1eadp th\u00f3i quen ki\u1ec3m tra t\u1ed5ng th\u1ec3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc m\u1ed7i l\u1ea7n \u0111eo. \u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a d\u00e2y \u0111eo, \u0111\u1ed9 m\u1ec1m m\u1ea1i c\u1ee7a van th\u1edf v\u00e0 s\u1ef1 nguy\u00ean v\u1eb9n c\u1ee7a ph\u1ea7n \u0111\u1ec7m ti\u1ebfp x\u00fac.\r\n\r\nSau c\u00f9ng, vi\u1ec7c tu\u00e2n th\u1ee7 tuy\u1ec7t \u0111\u1ed1i c\u00e1c ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 g\u00e1nh n\u1eb7ng, m\u00e0 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng minh nh\u1ea5t \u0111\u1ec3 b\u1ea1n l\u00e0m ch\u1ee7 thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 s\u1ef1 s\u1ed1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.","protected":false},"excerpt":{"rendered":"Nh\u1ecbp s\u1ed1ng c\u00f4ng nghi\u1ec7p khi\u1ebfn h\u01a1i th\u1edf v\u1ed1n l\u00e0 b\u1ea3n n\u0103ng sinh t\u1ed3n c\u01a1 b\u1ea3n v\u00f4 t\u00ecnh tr\u1edf th\u00e0nh con \u0111\u01b0\u1eddng \u0111\u01b0a kh\u00f3i b\u1ee5i v\u00e0 kh\u00ed \u0111\u1ed9c x\u00e2m nh\u1eadp c\u01a1 th\u1ec3. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u1ee7 quan v\u00ec ch\u01b0a th\u1ea5y \u0111au \u0111\u1edbn t\u1ee9c th\u00ec, trong khi c\u00e1c t\u00e1c nh\u00e2n nguy h\u1ea1i th\u1ea9m th\u1ea5u \u00e2m th\u1ea7m nh\u01b0…<\/p>\n","protected":false},"author":761,"featured_media":76630,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5382,6351,1],"tags":[7282,7280,7281],"class_list":["post-76625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-dap-su-kien","category-review-san-pham","category-tin-tuc","tag-bao-ho-ho-hap-bao-ve-toi-uu","tag-mat-na-phong-doc-3m-chuyen-dung","tag-mat-na-phong-doc-3m-chuyen-dung-chat-luong"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=76625"}],"version-history":[{"count":60,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions"}],"predecessor-version":[{"id":92645,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions\/92645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/76630"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=76625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=76625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=76625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
G\u00e1nh N\u1eb7ng Chi Ph\u00ed V\u00e0 Hi\u1ec7u Su\u1ea5t Lao \u0110\u1ed9ng S\u1ee5t Gi\u1ea3m<\/b><\/h3>\r\nC\u00e1i gi\u00e1 c\u1ee7a s\u1ef1 l\u01a1 l\u00e0 b\u1ea3o h\u1ed9 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1c b\u00e1o c\u00e1o y t\u1ebf m\u00e0 c\u00f2n b\u1eb1ng nh\u1eefng con s\u1ed1 t\u00e0i ch\u00ednh \u0111\u1ea7y nghi\u1ec7t ng\u00e3 \u0111\u1eb7c bi\u1ec7t khi ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0m trong c\u00e1c kh\u00f4ng gian c\u00f3 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p. Nh\u1eefng h\u00f3a \u0111\u01a1n vi\u1ec7n ph\u00ed d\u00e0i d\u1eb1ng d\u1eb7c, chi ph\u00ed thu\u1ed1c men duy tr\u00ec v\u00e0 c\u00e1c \u0111\u1ee3t tr\u1ecb li\u1ec7u \u0111\u1eaft \u0111\u1ecf s\u1ebd nhanh ch\u00f3ng ng\u1ed1n s\u1ea1ch nh\u1eefng kho\u1ea3n t\u00edch l\u0169y t\u1eeb c\u00f4ng s\u1ee9c lao \u0111\u1ed9ng. \r\n\r\nTrong k\u1ecbch b\u1ea3n t\u1ed3i t\u1ec7 nh\u1ea5t, khi c\u01a1 th\u1ec3 kh\u00f4ng n\u1ed5i khi\u1ebfn h\u1ecd bu\u1ed9c ph\u1ea3i r\u1eddi b\u1ecf ngh\u1ec1 nghi\u1ec7p g\u1eafn b\u00f3, \u0111\u1ed1i m\u1eb7t v\u1edbi t\u01b0\u01a1ng lai b\u1ea5t \u0111\u1ecbnh v\u00ec m\u1ea5t \u0111i ngu\u1ed3n thu nh\u1eadp ch\u00ednh. X\u00e9t v\u1ec1 g\u00f3c \u0111\u1ed9 v\u1eadn h\u00e0nh, l\u00e0m vi\u1ec7c l\u00e2u trong kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p khi\u1ebfn ng\u01b0\u1eddi th\u1ee3 m\u1ec7t nhanh v\u00e0 m\u1ea5t d\u1ea7n s\u1ef1 t\u1ec9nh t\u00e1o trong ca. Khi n\u1ed3ng \u0111\u1ed9 oxy trong m\u00e1u th\u1ea5p, kh\u1ea3 n\u0103ng t\u1eadp trung c\u1ee7a n\u00e3o b\u1ed9 suy gi\u1ea3m, ph\u1ea3n x\u1ea1 tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p\r\n\r\n\u0110\u00e2y ch\u00ednh l\u00e0 “k\u1ebb ti\u1ebfp tay” cho c\u00e1c sai s\u00f3t k\u1ef9 thu\u1eadt v\u00e0 tai n\u1ea1n lao \u0111\u1ed9ng \u0111\u00e1ng ti\u1ebfc, s\u1ebd g\u00e2y nguy \u0111\u1ebfn m\u1ea1ng s\u1ed1ng c\u1ee7a ch\u00ednh m\u00ecnh v\u00e0 \u0111\u1ed3ng nghi\u1ec7p xung quanh. V\u00ec v\u1eady, vi\u1ec7c trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p \u0111\u1ea1t chu\u1ea9n ngay t\u1eeb h\u00f4m nay kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh, m\u00e0 l\u00e0 m\u1ed9t vi\u1ec7c ti\u00eau chi c\u00f3 t\u00ednh to\u00e1n, th\u00f4ng minh, m\u1ed9t c\u00e1i khi\u00ean v\u1eefng ch\u1eafc cho t\u01b0\u01a1ng lai v\u00e0 h\u1ea1nh ph\u00fac b\u1ec1n v\u1eefng c\u1ee7a m\u1ed7i ng\u01b0\u1eddi lao \u0111\u1ed9ng.\r\n\r\n\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Nh\u1eadn Di\u1ec7n V\u1edbi Ki\u1ec3u D\u00e1ng Chuy\u00ean Nghi\u1ec7p Chu\u1ea9n Thi\u1ebft B\u1ecb B\u1ea3o H\u1ed9 Lao \u0110\u1ed9ng. M\u00e0u S\u1eafc Trung T\u00ednh K\u1ebft H\u1ee3p K\u1ebft C\u1ea5u Ch\u1eafc Ch\u1eafn, Th\u1ec3 Hi\u1ec7n T\u00ednh An To\u00e0n V\u00e0 \u0110\u1ed9 Tin C\u1eady Cao<\/figcaption><\/figure>\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng L\u00e1 Ch\u1eafn C\u00f4ng Ngh\u1ec7 Kh\u00e1c Bi\u1ec7t Ho\u00e0n To\u00e0n V\u1edbi Kh\u1ea9u Trang<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, s\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa m\u1ed9t chi\u1ebfc kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ed9t chi\u1ebfc M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1ec7 l\u1ee5y kh\u00f4n l\u01b0\u1eddng v\u1ec1 s\u1ee9c kh\u1ecfe. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn mang t\u00e2m l\u00fd “c\u00f3 c\u00f2n h\u01a1n kh\u00f4ng” khi b\u01b0\u1edbc v\u00e0o m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t ch\u1ec9 v\u1edbi m\u1ed9t l\u1edbp v\u1ea3i m\u1ecfng manh. Nh\u01b0ng khi m\u00e0 ta so s\u00e1nh v\u1ec1 c\u1ea1nh khoa h\u1ecdc – k\u1ef9 thu\u1eadt th\u00ec s\u1ebd cho ch\u00fang th\u1ea5y \u0111\u01b0\u1ee3c m\u1ed9t kho\u1ea3ng c\u00e1ch kh\u1ed5ng l\u1ed3 v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7.\r\nC\u01a1 Ch\u1ebf L\u1ecdc Ba T\u1ea7ng C\u1ee7a Phin L\u1ecdc Cartridge<\/b><\/h3>\r\n\u0110\u1ec3 hi\u1ec3u \u0111\u00fang v\u1ec1 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, ch\u00fang ta kh\u00f4ng n\u00ean coi n\u00f3 l\u00e0 m\u1ed9t chi\u1ebfc kh\u1ea9u trang cao c\u1ea5p. Th\u1ef1c ch\u1ea5t, \u0111\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p ch\u1ee7 \u0111\u1ed9ng nh\u1ea5t l\u00e0 c\u00e1c d\u1ea1ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1o ra theo m\u1ed9t ti\u00eau chu\u1ea9n an to\u00e0n r\u1ea5t l\u00e0 nghi\u00eam ng\u1eb7t. \r\n\r\nN\u1ebfu nh\u01b0 kh\u1ea9u trang ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00e1i “l\u01b0\u1edbi” ng\u0103n ch\u1eb7n r\u00e1c r\u01b0\u1edfi v\u1eadt l\u00fd, th\u00ec M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M gi\u1ed1ng nh\u01b0 m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd kh\u00ed th\u1ea3i thu nh\u1ecf \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean khu\u00f4n m\u1eb7t ng\u01b0\u1eddi lao \u0111\u1ed9ng. N\u00f3 t\u1ea1o ra m\u1ed9t chu tr\u00ecnh h\u00edt th\u1edf kh\u00e9p k\u00edn, n\u01a1i kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m bu\u1ed9c ph\u1ea3i \u0111i qua c\u00e1c r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t tr\u01b0\u1edbc khi ch\u1ea1m t\u1edbi ph\u1ebf nang.\r\n\r\nNguy\u00ean l\u00fd c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y n\u1eb1m \u1edf s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng phin l\u1ecdc (cartridge) \u2014 y\u1ebfu t\u1ed1 l\u00e0m n\u00ean s\u1ef1 hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed7i h\u01a1i th\u1edf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c “l\u00e0m s\u1ea1ch” qua ba giai \u0111o\u1ea1n ch\u00ednh:\r\n\r\n \t- V\u00f4 hi\u1ec7u h\u00f3a h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn:<\/strong> C\u00e1c h\u1ea1t b\u1ee5i m\u1ecbn nh\u01b0 PM2.5 hay th\u1eadm ch\u00ed PM0.1 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn m\u1ee9c l\u00e0m xuy\u00ean qua nh\u1eefng th\u1edb v\u1ea3i hay c\u00e1c lo\u1ea1i kh\u1ea9u trang v\u00e0 \u0111i th\u1eb3ng v\u00e0o m\u00e1u. C\u00e1i phin l\u1ecdc s\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng c\u00f3 c\u1ea5u tr\u00fac s\u1ee3i si\u00eau d\u00e0y \u0111\u1eb7c, \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o ra m\u00ea tr\u1eadn. T\u1ea1i \u0111\u00e2y, c\u00e1c h\u1ea1t b\u1ee5i b\u1ecb gi\u1eef l\u1ea1i kh\u00f4ng ch\u1ec9 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ch\u1eb7n tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n nh\u1edd v\u00e0o t\u0129nh \u0111i\u1ec7n, va ch\u1ea1m qu\u00e1n t\u00ednh v\u00e0 khu\u1ebfch t\u00e1n. S\u1ebd gi\u00fap cho nh\u1eefng ph\u00e2n t\u1eed b\u1ee5i li ti nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 tho\u00e1t kh\u1ecfi “b\u1eaby” l\u1ecdc.<\/li>\r\n \t
- H\u1ea5p ph\u1ee5 kh\u00ed \u0111\u1ed9c v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t mang t\u00ednh s\u1ed1ng c\u00f2n c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00f4ng c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd h\u1eefu h\u00ecnh \u0111\u1ec3 b\u1ecb “ch\u1eb7n” l\u1ea1i. Thay v\u00e0o \u0111\u00f3, m\u1eb7t n\u1ea1 s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t than ho\u1ea1t t\u00ednh. L\u00fac m\u00e0 c\u00e1c ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c \u0111i qua, ch\u00fang b\u1ecb h\u00fat v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf th\u00f4ng qua l\u1ef1c h\u00fat ph\u00e2n t\u1eed ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp. C\u1ea7n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t ph\u00e9p n\u00e0y: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c l\u1ea1i trong l\u1edbp v\u1eadt li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u00e1 hu\u1ef7 hay trung ho\u00e0 ch\u00fang, v\u00e0 s\u1ee9c ch\u1ee9a \u0111\u00f3 l\u00e0 h\u1eefu h\u1ea1n. Khi l\u1edbp than \u0111\u00e3 no, kh\u00ed \u0111\u1ed9c \u0111i th\u1eb3ng qua m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u b\u00e1o n\u00e0o. Phin l\u1ecdc c\u0169ng ch\u1ec9 x\u1eed l\u00fd \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed, v\u00e0 n\u00f3 kh\u00f4ng sinh ra \u00f4xy.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n tr\u01b0\u1edbc h\u01a1i h\u00f3a ch\u1ea5t m\u1ea1nh:<\/strong> \u1ede c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t (full-face) nh\u01b0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M. Thi\u1ebft b\u1ecb c\u00f2n t\u00edch h\u1ee3p l\u1edbp k\u00ednh c\u01b0\u1eddng l\u1ef1c ch\u1ed1ng \u0111\u1ecdng s\u01b0\u01a1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ni\u00eam m\u1ea1c m\u1eaft \u2013 n\u01a1i v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c lo\u1ea1i h\u01a1i cay, kh\u00ed clo hay c\u00e1c ch\u1ea5t l\u1ecfng b\u1eafn t\u00f3e. \u0110\u00e2y l\u00e0 ph\u1ea7n b\u1ea3o v\u1ec7 m\u1eaft v\u00e0 da m\u1eb7t, t\u00e1ch b\u1ea1ch v\u1edbi ph\u1ea7n l\u1ecdc kh\u00ed, n\u00ean khi ch\u1ecdn thi\u1ebft b\u1ecb ph\u1ea3i x\u00e9t ri\u00eang t\u1eebng ph\u1ea7n thay v\u00ec coi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 l\u00e0 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ecdi m\u1ed1i nguy.<\/li>\r\n<\/ul>\r\n
Kh\u00e1c Bi\u1ec7t C\u1ed1t L\u00f5i So V\u1edbi Kh\u1ea9u Trang Th\u01b0\u1eddng<\/b><\/h3>\r\nSai l\u1ea7m ph\u1ed5 bi\u1ebfn nhi\u1ec1u nh\u1ea5t b\u00e2y gi\u1edd c\u1ee7a ng\u01b0\u1eddi l\u00e0m \u1edf c\u00e1c c\u00f4ng tr\u01b0\u1eddng hay x\u01b0\u1edfng s\u01a1n ch\u00ednh l\u00e0 \u0111\u1eb7t ni\u1ec1m tin v\u00e0o kh\u1ea9u trang l\u00e0m b\u1eb1ng v\u1ea3i ho\u1eb7c kh\u1ea9u trang d\u1ea1ng y t\u1ebf thay v\u00ec trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. \u0110\u1ec3 th\u1ea5y r\u00f5 s\u1ef1 nguy hi\u1ec3m c\u1ee7a quan ni\u1ec7m n\u00e0y, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch ba y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t:\r\n\r\n\u0110\u1ed9 k\u00edn kh\u00edt \u2013 Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n: <\/b>Kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng, do \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf m\u1ec1m m\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac khung x\u01b0\u01a1ng, lu\u00f4n \u0111\u1ec3 l\u1ea1i nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn \u1edf v\u00f9ng c\u00e1nh m\u0169i, hai b\u00ean m\u00e1 v\u00e0 d\u01b0\u1edbi c\u1eb1m. Theo c\u00e1c nghi\u00ean c\u1ee9u an to\u00e0n, l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed “r\u00f2 r\u1ec9” qua c\u00e1c khe n\u00e0y \u1edf kh\u1ea9u trang c\u00f3 th\u1ec3 l\u00ean t\u1edbi 20\u201330%.\r\n\r\n Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ebf t\u1ea1o t\u1eeb silicon ho\u1eb7c nh\u1ef1a d\u1ebbo y t\u1ebf cao c\u1ea5p v\u1edbi thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc. L\u1edbp \u0111\u1ec7m n\u00e0y co gi\u00e3n v\u00e0 \u00f4m kh\u00edt l\u1ea5y m\u1ecdi \u0111\u01b0\u1eddng cong c\u1ee7a khu\u00f4n m\u1eb7t, t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t \u00e2m khi h\u00edt v\u00e0o, \u00e9p ch\u1eb7t m\u1eb7t n\u1ea1 v\u00e0o da. Nh\u1edd \u0111\u00f3 ph\u1ea7n l\u1edbn kh\u00f4ng kh\u00ed h\u00edt v\u00e0o bu\u1ed9c ph\u1ea3i \u0111i qua phin l\u1ecdc. M\u1ee9c k\u00edn th\u1eadt th\u00ec kh\u00e1c nhau theo t\u1eebng khu\u00f4n m\u1eb7t, n\u00ean ch\u1ec9 c\u00f3 ph\u00e9p fit test do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n m\u1edbi x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model cho t\u1eebng ng\u01b0\u1eddi; r\u00e2u quai n\u00f3n ho\u1eb7c r\u00e2u d\u00e0i \u1edf v\u00f9ng gio\u0103ng ti\u1ebfp x\u00fac l\u00e0m h\u1ecfng \u0111\u1ed9 k\u00edn n\u00e0y v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o b\u00f9 l\u1ea1i \u0111\u01b0\u1ee3c.\r\n\r\nHi\u1ec7u su\u1ea5t l\u1ecdc kh\u00ed v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i:<\/b> Kh\u1ea9u trang y t\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n gi\u1ecdt b\u1eafn sinh h\u1ecdc v\u00e0 b\u1ee5i th\u00f4 trong m\u00f4i tr\u01b0\u1eddng sinh ho\u1ea1t. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u1edbi n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t cao, l\u1edbp v\u1ea3i l\u1ecdc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00e3o h\u00f2a ho\u1eb7c b\u1ecb h\u00f3a ch\u1ea5t \u0103n m\u00f2n, l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ec9 sau v\u00e0i ph\u00fat s\u1eed d\u1ee5ng. m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u1ea1i s\u1edf h\u1eefu kh\u1ea3 n\u0103ng “ch\u1ecbu t\u1ea3i” c\u1ef1c l\u1edbn. \r\n\r\nPhin l\u1ecdc ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5, cho ph\u00e9p ng\u01b0\u1eddi x\u00e0i l\u00e0m vi\u1ec7c l\u00e2u h\u01a1n khi h\u1ecd l\u00e0m trong n\u01a1i \u0111\u1eadm \u0111\u1eb7c kh\u00f3i b\u1ee5i v\u00e0 h\u01a1i \u0111\u1ed9c m\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh, ti\u00eau chu\u1ea9n ch\u1ec9 c\u00f3 \u1edf m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng.<\/a>\r\n\r\nT\u00ednh chuy\u00ean bi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn linh ho\u1ea1t: <\/b>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t kh\u00e1c c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u00ednh l\u00e0 t\u00ednh m\u00f4-\u0111un. Kh\u1ea9u trang ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng d\u1ee5ng chung chung v\u00e0 duy nh\u1ea5t. Trong khi \u0111\u00f3, v\u1edbi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i “v\u0169 kh\u00ed” t\u00f9y theo \u0111\u1ed1i th\u1ee7. N\u1ebfu l\u00e0m vi\u1ec7c trong x\u01b0\u1edfng m\u1ed9c, b\u1ea1n l\u1eafp phin l\u1ecdc b\u1ee5i; n\u1ebfu chuy\u1ec3n sang phun s\u01a1n, b\u1ea1n \u0111\u1ed5i sang phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1; n\u1ebfu l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng axit, b\u1ea1n s\u1eed d\u1ee5ng phin l\u1ecdc chuy\u00ean d\u1ee5ng cho kh\u00ed axit. \r\n\r\nS\u1ef1 linh ho\u1ea1t n\u00e0y kh\u00f4ng c\u00f2n l\u00e0 mang l\u1ea1i s\u1ef1 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c nh\u1ea5t cho t\u1eebng lo\u1ea1i \u0111\u1ed9c ch\u1ea5t m\u00e0 s\u1ebd c\u00f2n gi\u00fap gi\u1ea3m \u0111i m\u1ed9t kho\u1ea3ng \u0111\u00e1ng k\u1ec3 cho vi\u1ec7c \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i, tr\u00e1nh t\u00ecnh tr\u1ea1ng “\u0111eo cho c\u00f3” nh\u01b0ng ph\u1ed5i v\u1eabn ph\u1ea3i ch\u1ecbu t\u1ed5n th\u01b0\u01a1ng.\r\n\r\n\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap L\u1ecdc B\u1ee5i M\u1ecbn, H\u1ea5p Th\u1ee5 Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Trong M\u00f4i Tr\u01b0\u1eddng Lao \u0110\u1ed9ng Nguy H\u1ea1i. B\u1ea3o V\u1ec7 Hi\u1ec7u Qu\u1ea3 \u0110\u01b0\u1eddng H\u00f4 H\u1ea5p, Gi\u1ea3m Nguy C\u01a1 B\u1ec7nh, \u0110\u1ea3m B\u1ea3o An To\u00e0n Khi L\u00e0m Vi\u1ec7c L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n7 L\u00fd Do \u0110\u1ec3 Chuy\u1ec3n Sang D\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 l\u00fd do then ch\u1ed1t t\u1ea1i sao khi\u1ebfn cho b\u1ea1n n\u00ean suy ngh\u0129 \u0111\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 n\u00ean th\u1ef1c hi\u1ec7n s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ngay l\u1eadp t\u1ee9c.\r\n\r\nCh\u1eb7n B\u1ee5i Si\u00eau M\u1ecbn V\u00e0 B\u1ecbt K\u00edn Khe H\u1edf Quanh M\u1eb7t<\/h3>\r\n\r\nTrong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, nh\u1eefng m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 th\u01b0\u1eddng kh\u00f4ng th\u1ec3 n\u00e0o c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft. C\u00e1c h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn (PM2.5), h\u01a1i h\u00f3a ch\u1ea5t bay h\u01a1i v\u00e0 kh\u00ed \u0111\u1ed9c t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng ph\u00e2n t\u1eed nanoscopic d\u1ec5 d\u00e0ng xuy\u00ean qua c\u00e1c l\u1edbp l\u1ecdc th\u00f4ng th\u01b0\u1eddng.\r\n\r\n \t- C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7:<\/strong> M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c phin l\u1ecdc chuy\u00ean d\u1ee5ng v\u1edbi c\u1ea5u tr\u00fac \u0111a t\u1ea7ng \u0111\u1ec3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t si\u00eau nh\u1ecf n\u00e0y ngay t\u1eeb c\u1eeda ng\u00f5 h\u00f4 h\u1ea5p.<\/li>\r\n \t
- K\u1ebft qu\u1ea3:<\/strong> Lu\u1ed3ng kh\u00ed khi \u0111i v\u00e0o ph\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c thanh l\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, gi\u00fap c\u01a1 quan h\u00f4 h\u1ea5p tr\u00e1nh kh\u1ecfi s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed9c t\u1ed1 theo th\u1eddi gian. L\u00e0 c\u00e1c d\u1ea1ng kh\u1ea9u trang b\u1eb1ng lo\u1ea1i v\u1ea3i hay kh\u1ea9u trang d\u1ea1ng y t\u1ebf ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n do c\u1ea5u t\u1ea1o m\u00e0ng l\u1ecdc qu\u00e1 th\u00f4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\u0110i\u1ec3m b\u1ecb y\u1ebfu c\u1ee7a kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ed9 h\u1edf l\u1edbn \u1edf v\u00f9ng s\u1ed1ng m\u0169i v\u00e0 hai b\u00ean m\u00e1.\r\n
\r\n \t- Thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc:<\/strong> m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u00f4m l\u1ea5y c\u00e1c \u0111\u01b0\u1eddng n\u00e9t tr\u00ean khu\u00f4n m\u1eb7t, l\u00e0m ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng k\u00edn t\u01b0\u01a1ng \u0111\u1ed1i b\u00ean trong.<\/li>\r\n \t
- K\u1ef9 thu\u1eadt van th\u1edf:<\/strong> H\u1ec7 th\u1ed1ng van th\u1edf m\u1ed9t chi\u1ec1u th\u00f4ng minh \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed ch\u1ec9 \u0111i v\u00e0o qua phin l\u1ecdc v\u00e0 tho\u00e1t ra qua van x\u1ea3, gi\u1eef cho kh\u00ed b\u1ea9n kh\u00f3 lu\u1ed3n qua khe h\u1edf h\u01a1n h\u1eb3n kh\u1ea9u trang th\u01b0\u1eddng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ea3o h\u1ed9 n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao ng\u01b0\u1eddi \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng lu\u00f4n c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi \u0111\u1ee9ng gi\u1eefa t\u00e2m \u0111i\u1ec3m c\u1ee7a kh\u00f3i b\u1ee5i hay h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/li>\r\n<\/ul>\r\n
Ng\u0103n B\u1ec7nh Ngh\u1ec1 Nghi\u1ec7p V\u00e0 \u0110\u1ed5i Phin Theo T\u1eebng Vi\u1ec7c<\/h3>\r\n\r\n \t- Ng\u0103n ng\u1eeba t\u00edch t\u1ee5:<\/strong> B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9c \u0111i v\u00e0o c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u00fap ch\u1eb7n \u0111\u1ee9ng nguy c\u01a1 vi\u00eam ph\u1ed5i m\u00e3n t\u00ednh ho\u1eb7c hen suy\u1ec5n ngh\u1ec1 nghi\u1ec7p.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 n\u0103ng l\u1ef1c lao \u0111\u1ed9ng:<\/strong> Thay v\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tr\u1ecb t\u1ed1n k\u00e9m v\u00e0 m\u1ec7t m\u1ecfi trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng h\u00f4m nay gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1ed5n h\u01a1n v\u00e0 cu\u1ed9c s\u1ed1ng l\u00e0nh m\u1ea1nh \u0111\u1ebfn khi v\u1ec1 h\u01b0u.<\/li>\r\n<\/ul>\r\n\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3, v\u00e0 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng hi\u1ec3u r\u00f5 \u0111i\u1ec1u \u0111\u00f3.\r\n
\r\n \t- \u0110a d\u1ea1ng t\u00f9y ch\u1ecdn:<\/strong> T\u00f9y v\u00e0o t\u00ednh ch\u1ea5t m\u00f4i tr\u01b0\u1eddng, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecdn m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1eb9 nh\u00e0ng ho\u1eb7c m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u1ea3 v\u00f9ng m\u1eaft.<\/li>\r\n \t
- Phin l\u1ecdc t\u00f9y bi\u1ebfn:<\/strong> H\u1ec7 th\u1ed1ng phin l\u1ecdc c\u00f3 th\u1ec3 thay th\u1ebf d\u1ec5 d\u00e0ng gi\u00fap b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u1eeb l\u1ecdc b\u1ee5i m\u1ecbn trong x\u00e2y d\u1ef1ng s\u00e0ng l\u1ecdc h\u01a1i s\u01a1n h\u1eefu c\u01a1 hay kh\u00ed axit trong ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 trong v\u00e0i gi\u00e2y. S\u1ef1 linh ho\u1ea1t n\u00e0y bi\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/li>\r\n<\/ul>\r\n
\u0110eo D\u1ec5 Ch\u1ecbu, Ti\u1ebft Ki\u1ec7m D\u00e0i H\u1ea1n V\u00e0 N\u00eau G\u01b0\u01a1ng An To\u00e0n<\/h3>\r\n\r\nNhi\u1ec1u ng\u01b0\u1eddi e ng\u1ea1i m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c v\u00ec \u0111\u1ecbnh ki\u1ebfn v\u1ec1 s\u1ef1 b\u00ed b\u00e1ch v\u00e0 n\u1eb7ng n\u1ec1. Tuy nhi\u00ean, c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ebf h\u1ec7 m\u1edbi \u0111\u00e3 x\u00f3a b\u1ecf ho\u00e0n to\u00e0n r\u00e0o c\u1ea3n n\u00e0y.\r\n\r\n \t- V\u1eadt li\u1ec7u cao c\u1ea5p:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng silicon ho\u1eb7c nh\u1ef1a d\u1ebbo si\u00eau nh\u1eb9 gi\u00fap thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi da m\u1ed9t c\u00e1ch \u00eam \u00e1i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng hay \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n s\u00e2u.<\/li>\r\n \t
- L\u01b0u th\u00f4ng kh\u00ed t\u1ed1i \u01b0u:<\/strong> C\u00e1c van th\u1edf \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ee9c c\u1ea3n khi h\u00edt v\u00e0o v\u00e0 th\u1edf ra, duy tr\u00ec s\u1ef1 th\u00f4ng tho\u00e1ng. Ch\u00ednh d\u1ec5 ch\u1ecbu n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi lao \u0111\u1ed9ng duy tr\u00ec th\u00f3i quen \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ef1 nguy\u1ec7n.<\/li>\r\n<\/ul>\r\n\r\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i ti\u1ebft ki\u1ec7m h\u01a1n b\u1ea1n t\u01b0\u1edfng.\r\n
\r\n \t- T\u00e1i s\u1eed d\u1ee5ng l\u00e2u d\u00e0i:<\/strong> Thay v\u00ec ph\u1ea3i ti\u00eau t\u1ed1n h\u00e0ng t\u00e1 kh\u1ea9u trang d\u00f9ng m\u1ed9t l\u1ea7n v\u00e0 v\u1ee9t b\u1ecf ch\u00fang v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ed7i ng\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng b\u1ec1n b\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng n\u0103m tr\u1eddi n\u1ebfu \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t.<\/li>\r\n \t
- T\u1ed1i \u01b0u chi ph\u00ed:<\/strong> B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 thay th\u1ebf phin l\u1ecdc theo \u0111\u1ecbnh k\u1ef3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ef1c t\u1ebf, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch b\u1ea3o h\u1ed9.<\/li>\r\n<\/ul>\r\n\r\n
\r\n \t- Ph\u00e1t tri\u1ec3n \u00fd th\u1ee9c:<\/strong> N\u00f3 s\u1ebd \u1edf m\u1ed9t nh\u01b0 l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf kh\u00f4ng l\u1eddi nh\u1eefng nguy hi\u1ec3m ti\u1ec1m t\u00e0ng, gi\u00fap h\u00ecnh th\u00e0nh t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c:<\/strong> Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u t\u1ef1 gi\u00e1c trang b\u1ecb m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u00e2m v\u00e0 b\u1ec1n v\u1eefng v\u00e0 t\u00f4n tr\u1ecdng s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/li>\r\n<\/ul>\r\n
L\u1ef1a Ch\u1ecdn M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1i kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “m\u1eb7t n\u1ea1 v\u1ea1n n\u0103ng” c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u1ecdi lo\u1ea1i \u0111\u1ed9c t\u1ed1. Vi\u1ec7c nh\u1eafm m\u1eaft ch\u1ecdn \u0111\u1ea1i m\u1ed9t thi\u1ebft b\u1ecb che ch\u1eafn m\u00e0 kh\u00f4ng c\u0103n c\u1ee9 v\u00e0o th\u1ef1c t\u1ebf m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t sai l\u1ea7m ch\u1ebft ng\u01b0\u1eddi. Ch\u1ecdn \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 ch\u1ecdn \u0111\u00fang phin l\u1ecdc l\u00e0 hai vi\u1ec7c \u0111i li\u1ec1n nhau, v\u00e0 c\u1ea3 hai \u0111\u1ec1u v\u00f4 ngh\u0129a n\u1ebfu chi\u1ebfc m\u1eb7t n\u1ea1 kh\u00f4ng \u00f4m kh\u00edt khu\u00f4n m\u1eb7t ng\u01b0\u1eddi \u0111eo. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai d\u00f2ng thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ea1o v\u00e0 v\u00f9ng d\u00f9ng c\u1ee7a t\u1eebng d\u00f2ng:\r\n\r\nM\u1eb7t N\u1ea1 N\u1eeda M\u1eb7t Cho C\u00f4ng Vi\u1ec7c B\u1ee5i G\u1ed7 V\u00e0 S\u01a1n PU<\/h3>\r\n\r\nM\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t l\u00e0 d\u00f2ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u01b0\u1edfng nh\u1edd nh\u1eb9 v\u00e0 g\u1ecdn. V\u1edbi thi\u1ebft k\u1ebf ch\u1ec9 che ph\u1ee7 v\u00f9ng m\u0169i v\u00e0 mi\u1ec7ng, d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y t\u1eadp trung t\u1ed1i \u0111a v\u00e0o s\u1ef1 g\u1ecdn nh\u1eb9 v\u00e0 t\u00ednh c\u01a1 \u0111\u1ed9ng \u2014 ti\u00eau bi\u1ec3u l\u00e0 c\u00e1c m\u1eabu m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng d\u1ea1ng n\u1eeda m\u1eb7t.\r\n\r\n \t- \u01afu \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i:<\/b> \u0110i\u1ec3m c\u1ed9ng l\u1edbn nh\u1ea5t ch\u00ednh l\u00e0 c\u1ea5u tr\u00fac c\u00f4ng th\u00e1i h\u1ecdc, gi\u1ea3m thi\u1ec3u \u00e1p l\u1ef1c l\u00ean v\u00f9ng c\u1ed5 v\u00e0 g\u00e1y, gi\u00fap ng\u01b0\u1eddi \u0111eo ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 ca d\u00e0i m\u00e0 kh\u00f4ng th\u1ea5y n\u1eb7ng n\u1ec1. Ch\u1ea5t li\u1ec7u th\u01b0\u1eddng l\u00e0 nh\u1ef1a TPE ho\u1eb7c silicone, hai v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ec1m c\u1ee7a gio\u0103ng ti\u1ebfp x\u00fac l\u00e2u h\u01a1n cao su th\u01b0\u1eddng.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng:<\/b> T\u1ed1i \u01b0u c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i \u1edf m\u1ee9c trung b\u00ecnh nh\u01b0: phun s\u01a1n PU, ngh\u1ec1 m\u1ed9c (ch\u1ed1ng b\u1ee5i g\u1ed7 v\u00e0 m\u00f9i h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t), ho\u1eb7c c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nhi\u1ec1u b\u1ee5i b\u1eb7m. T\u00ednh th\u00edch \u1ee9ng n\u00e0y c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng d\u1ec5 k\u1ebft h\u1ee3p th\u00eam v\u1edbi k\u00ednh b\u1ea3o h\u1ed9 ho\u1eb7c m\u0169 b\u1ea3o hi\u1ec3m m\u00e0 kh\u00f4ng g\u00e2y v\u01b0\u1edbng v\u00edu.<\/li>\r\n<\/ul>\r\n
M\u1eb7t N\u1ea1 Nguy\u00ean M\u1eb7t Cho H\u01a1i Axit V\u00e0 Kh\u00ed K\u00edch \u1ee8ng M\u1eaft<\/h3>\r\n\r\n \t- Che \u0111\u01b0\u1ee3c c\u1ea3 v\u00f9ng m\u1eaft:<\/strong> V\u1edbi l\u1edbp k\u00ednh polycarbonate r\u1ed9ng b\u1ea3n, m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t ch\u1eafn th\u00eam h\u01a1i axit v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed g\u00e2y k\u00edch \u1ee9ng m\u1eaft m\u1ea1nh, ph\u1ea7n m\u00e0 m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t b\u1ecf ng\u1ecf. Nh\u01b0ng c\u1ea3 h\u1ecd thi\u1ebft b\u1ecb n\u00e0y d\u1eebng \u1edf m\u1ed9t ch\u1ed7: m\u1eb7t n\u1ea1 phin l\u1ecdc ch\u1ec9 l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed \u0111ang c\u00f3, n\u00f3 kh\u00f4ng c\u1ea5p \u00f4xy. V\u00ec v\u1eady tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng n\u00f3 trong kh\u00f4ng gian k\u00edn, h\u1ea7m h\u1ed1, b\u1ec3 ch\u1ee9a, h\u1ea7m m\u1ecf hay b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o n\u1ed3ng \u0111\u1ed9 \u00f4xy c\u00f3 th\u1ec3 d\u01b0\u1edbi 19,5%, c\u0169ng kh\u00f4ng d\u00f9ng khi v\u00e0o \u0111\u00e1m ch\u00e1y. Nh\u1eefng v\u1ecb tr\u00ed \u0111\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng b\u00ecnh th\u1edf c\u1ea5p kh\u00ed \u0111\u1ed9c l\u1eadp ho\u1eb7c h\u1ec7 c\u1ea5p kh\u00ed \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 ph\u1ea3i \u0111o kh\u00ed tr\u01b0\u1edbc khi v\u00e0o.<\/li>\r\n \t
- Gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0:<\/b> M\u1eb7c d\u00f9 m\u1ee9c gi\u00e1 c\u1ee7a d\u00f2ng nguy\u00ean m\u1eb7t th\u01b0\u1eddng cao h\u01a1n so v\u1edbi d\u00f2ng n\u1eeda m\u1eb7t, nh\u01b0ng gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 s\u1ee9c kh\u1ecfe m\u00e0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng mang l\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 \u0111ong \u0111\u1ebfm. N\u00f3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecfng ho\u00e1 ch\u1ea5t v\u00f9ng m\u1eb7t v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u1eaft do h\u01a1i k\u00edch \u1ee9ng.<\/li>\r\n<\/ul>\r\n
Ch\u1ecdn \u0110\u00fang Phin L\u1ecdc V\u00e0 C\u00e1ch L\u00e0m Fit Test<\/h3>\r\n\r\nN\u1ebfu th\u00e2n m\u1eb7t n\u1ea1 l\u00e0 khung x\u01b0\u01a1ng th\u00ec phin l\u1ecdc ch\u00ednh l\u00e0 “tr\u00e1i tim” quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u00f2n. Sai l\u1ea7m l\u1edbn nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0 l\u1eafp b\u1ea5t k\u1ef3 lo\u1ea1i phin l\u1ecdc n\u00e0o c\u00f3 s\u1eb5n v\u00e0o m\u1eb7t n\u1ea1. V\u1edbi M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng, m\u1ed7i lo\u1ea1i phin l\u1ecdc d\u00f9ng v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i ch\u1ec9 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed:\r\n\r\n \t- Phin l\u1ecdc b\u1ee5i m\u1ecbn:<\/b> S\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng l\u1ecdc c\u01a1 h\u1ecdc si\u00eau kh\u00edt \u0111\u1ec3 b\u1eaby c\u00e1c h\u1ea1t b\u1ee5i PM2.5, b\u1ee5i kim lo\u1ea1i ho\u1eb7c s\u1ee3i th\u1ee7y tinh.<\/li>\r\n \t
- Phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1:<\/b> Ch\u1ee9a than ho\u1ea1t t\u00ednh \u0111\u00e3 qua x\u1eed l\u00fd \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ph\u00e2n t\u1eed m\u00f9i t\u1eeb s\u01a1n, dung m\u00f4i, x\u0103ng d\u1ea7u.<\/li>\r\n \t
- Phin l\u1ecdc kh\u00ed axit\/h\u00f3a ch\u1ea5t \u0111\u1eb7c th\u00f9:<\/b> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u1eebng c\u00e1c h\u01a1i \u0111\u1ed9c nh\u01b0 Clo, Amoniac, ho\u1eb7c kh\u00ed l\u01b0u hu\u1ef3nh.<\/li>\r\n \t
- L\u01b0u \u00fd sinh t\u1eed:<\/b> Vi\u1ec7c s\u1eed d\u1ee5ng sai lo\u1ea1i phin l\u1ecdc c\u0169ng nguy hi\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c kh\u00f4ng \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed9t chi\u1ebfc phin l\u1ecdc b\u1ee5i s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec tr\u01b0\u1edbc h\u01a1i s\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\r\n<\/ul>\r\n\r\n\r\nSau khi \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c “l\u00e1 ch\u1eafn” ph\u00f9 h\u1ee3p, vi\u1ec7c cu\u1ed1i c\u00f9ng c\u1ea7n l\u00e0m tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o v\u00f9ng nguy hi\u1ec3m l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo. H\u00e3y d\u00f9ng l\u00f2ng b\u00e0n tay b\u1ecbt ch\u1eb7t \u0111\u01b0\u1eddng kh\u00ed v\u00e0o v\u00e0 h\u00edt m\u1ed9t h\u01a1i th\u1eadt nh\u1eb9. N\u1ebfu m\u1eb7t n\u1ea1 h\u01a1i x\u1eb9p xu\u1ed1ng v\u00e0 b\u1ea1n kh\u00f4ng th\u1ea5y lu\u1ed3ng kh\u00ed n\u00e0o r\u00f2 qua m\u00e9p silicone \u1edf s\u1ed1ng m\u0169i hay c\u1eb1m th\u00ec thi\u1ebft b\u1ecb \u0111ang \u00f4m \u0111\u1ee7 k\u00edn cho l\u1ea7n \u0111eo n\u00e0y.\n\nC\u1ea7n g\u1ecdi \u0111\u00fang t\u00ean thao t\u00e1c v\u1eeba m\u00f4 t\u1ea3: b\u1ecbt \u0111\u01b0\u1eddng kh\u00ed r\u1ed3i h\u00edt nh\u1eb9 l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo, l\u00e0m m\u1ed7i l\u1ea7n \u0111\u1ed9i m\u1eb7t n\u1ea1 l\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i fit test. OSHA 1910.134 v\u1ec1 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p<\/a> t\u00e1ch b\u1ea1ch hai vi\u1ec7c n\u00e0y: ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn do ch\u00ednh ng\u01b0\u1eddi \u0111eo t\u1ef1 l\u00e0m tr\u01b0\u1edbc m\u1ed7i l\u1ea7n v\u00e0o khu v\u1ef1c \u00f4 nhi\u1ec5m, c\u00f2n fit test l\u00e0 ph\u00e9p th\u1eed \u0111\u1ecbnh t\u00ednh ho\u1eb7c \u0111\u1ecbnh l\u01b0\u1ee3ng do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t l\u1ea7n \u0111\u1ea7u v\u00e0 l\u1eb7p l\u1ea1i \u0111\u1ecbnh k\u1ef3, g\u1eafn v\u1edbi \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model. C\u0169ng theo t\u00e0i li\u1ec7u n\u00e0y, h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t th\u1ea5p h\u01a1n h\u1eb3n lo\u1ea1i nguy\u00ean m\u1eb7t, n\u00ean vi\u1ec7c ch\u1ecdn gi\u1eefa hai d\u00f2ng ph\u1ea3i d\u1ef1a v\u00e0o n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c t\u1ea1i v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c d\u1ec5 th\u1edf. V\u1edbi nh\u00f3m kh\u1ea9u trang l\u1ecdc b\u1ee5i d\u00f9ng m\u1ed9t l\u1ea7n, h\u01b0\u1edbng d\u1eabn c\u1ee7a NIOSH v\u1ec1 kh\u1ea9u trang l\u1ecdc b\u1ee5i<\/a> nh\u1eafc th\u00eam m\u1ed9t d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft: s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ee9ng nh\u1eadn lu\u00f4n in m\u00e3 d\u1ea1ng TC 84A-XXXX tr\u00ean th\u00e2n, kh\u00f4ng c\u00f3 d\u00e3y s\u1ed1 \u0111\u00f3 th\u00ec kh\u00f4ng c\u00f3 c\u01a1 s\u1edf n\u00e0o \u0111\u1ec3 t\u00ednh h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7.\r\n\r\n\n
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap B\u1ea3o V\u1ec7 H\u1ec7 H\u00f4 H\u1ea5p Tr\u01b0\u1edbc Kh\u00f3i B\u1ee5i, Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Nh\u1edd C\u00f4ng Ngh\u1ec7 Phin L\u1ecdc \u0110a T\u1ea7ng Hi\u1ec7u Qu\u1ea3. Thi\u1ebft K\u1ebf \u00d4m Kh\u00edt, D\u1ec5 Th\u1edf, Linh Ho\u1ea1t Thay Phin L\u1ecdc, \u0110\u1ea3m B\u1ea3o An To\u00e0n L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nChi\u1ebfn Thu\u1eadt Duy Tr\u00ec V\u00e0 B\u1ea3o D\u01b0\u1ee1ng Cho L\u00e1 Ch\u1eafn H\u00f4 H\u1ea5p<\/strong><\/h2>\r\n\r\n\r\n\r\n\r\nVi\u1ec7c b\u1ea1n d\u00f9ng s\u1ed1 ti\u1ec1n c\u0169ng kha kh\u00e1 l\u1edbn \u0111\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cao c\u1ea5p th\u1ef1c t\u1ebf m\u1edbi ch\u1ec9 gi\u00fap b\u1ea1n \u0111i \u0111\u01b0\u1ee3c n\u1eeda ch\u1eb7ng \u0111\u01b0\u1eddng trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i \u00f4 nhi\u1ec5m. S\u1ef1 an to\u00e0n th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf th\u01b0\u01a1ng hi\u1ec7u hay gi\u00e1 ti\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb, m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c, th\u1ea5u hi\u1ec3u v\u00e0 ch\u0103m s\u00f3c n\u00f3 h\u1eb1ng ng\u00e0y.\r\n\r\n\r\n\r\nNguy\u00ean T\u1eafc X\u01b0\u01a1ng M\u00e1u Trong Qu\u00e1 Tr\u00ecnh V\u1eadn H\u00e0nh<\/b><\/h3>\r\n\r\n \t- Nh\u1ea1y b\u00e9n v\u1edbi c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o<\/b>: Trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i, kh\u1ee9u gi\u00e1c v\u00e0 c\u1ea3m gi\u00e1c h\u00f4 h\u1ea5p l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o s\u1edbm g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi th\u1ee3. \u0110ang l\u00e0m m\u00e0 b\u1ea1n ch\u1ee3t nh\u1eadn th\u1ea5y m\u1ed9t l\u00e0n h\u01b0\u01a1ng l\u1ea1, m\u00f9i h\u00f3a ch\u1ea5t thoang tho\u1ea3ng ho\u1eb7c c\u1ea3m th\u1ea5y vi\u1ec7c h\u00edt th\u1edf tr\u1edf n\u00ean n\u1eb7ng n\u1ec1, kh\u00f3 kh\u0103n h\u01a1n b\u00ecnh th\u01b0\u1eddng, \u0111\u00f3 ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u cho th\u1ea5y phin l\u1ecdc \u0111\u00e3 b\u00e3o ho\u00e0 ho\u1eb7c m\u1eb7t n\u1ea1 \u0111ang b\u1ecb h\u1edf. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, gi\u1ea3i ph\u00e1p duy nh\u1ea5t l\u00e0 l\u1eadp t\u1ee9c r\u1eddi kh\u1ecfi khu v\u1ef1c \u00f4 nhi\u1ec5m r\u1ed3i m\u1edbi ki\u1ec3m tra, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00e1n l\u1ea1i d\u00f9 ch\u1ec9 v\u00e0i ph\u00fat. C\u0169ng l\u01b0u \u00fd ng\u01b0\u1ee1ng c\u1ea3m nh\u1eadn b\u1eb1ng m\u0169i kh\u00f4ng ph\u1ea3i ph\u00e9p \u0111o: nhi\u1ec1u ch\u1ea5t c\u00f3 ng\u01b0\u1ee1ng g\u00e2y h\u1ea1i th\u1ea5p h\u01a1n ng\u01b0\u1ee1ng ng\u1eedi th\u1ea5y, n\u00ean l\u1ecbch thay phin ph\u1ea3i \u0111\u1eb7t theo gi\u1edd s\u1eed d\u1ee5ng v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng \u0111\u1ee3i t\u1edbi l\u00fac ng\u1eedi th\u1ea5y m\u00f9i.<\/li>\r\n \t
- Thi\u1ebft b\u1ecb c\u1ea5p theo t\u1eebng ng\u01b0\u1eddi:<\/strong> Chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i gi\u00e0y \u0111\u00f3ng ri\u00eang theo c\u1ee1 b\u00e0n ch\u00e2n, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf \u0111\u1ed9 \u00f4m kh\u00edt. Vi\u1ec7c d\u00f9ng chung thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u1ec7 sinh d\u1ecbch t\u1ec5 m\u00e0 c\u00f2n tri\u1ec7t ti\u00eau kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, b\u1edfi m\u1ed7i c\u1ea5u tr\u00fac x\u01b0\u01a1ng m\u1eb7t s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m ti\u1ebfp x\u00fac kh\u00e1c.<\/li>\r\n \t
- Chi\u1ebfn thu\u1eadt h\u1ed3i s\u1ee9c cho l\u00e1 ph\u1ed1i:<\/strong> \u0110eo m\u1eb7t n\u1ea1 trong th\u1eddi gian d\u00e0i, nh\u1ea5t l\u00e0 \u1edf n\u01a1i n\u00f3ng b\u1ee9c ho\u1eb7c khi ph\u1ea3i v\u1eadn \u0111\u1ed9ng m\u1ea1nh, l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n h\u00f4 h\u1ea5p v\u00e0 g\u00e1nh n\u1eb7ng tim m\u1ea1ch. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do quy \u0111\u1ecbnh y\u00eau c\u1ea7u kh\u00e1m s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p cho ng\u01b0\u1eddi lao \u0111\u1ed9ng. H\u00e3y thi\u1ebft l\u1eadp nh\u1eefng kho\u1ea3ng ngh\u1ec9 ng\u1eafn t\u1ea1i n\u01a1i c\u00f3 kh\u00f4ng kh\u00ed trong l\u00e0nh \u0111\u1ec3 ph\u1ed1i c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c thanh l\u1ecdc v\u00e0 ph\u1ee5c h\u1ed3i n\u0103ng l\u1ef1c trao \u0111\u1ed5i kh\u00ed.<\/li>\r\n<\/ul>\r\n
Quy Tr\u00ecnh B\u1ea3o Qu\u1ea3n V\u00e0 L\u01b0u Kho Phin L\u1ecdc<\/strong><\/h3>\r\nB\u1ed1n vi\u1ec7c d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n v\u1eadn h\u00e0nh th\u01b0\u1eddng b\u1ecb b\u1ecf qua c\u1ee7a m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p<\/a> \u0111\u00e3 mua \u0111\u00fang.\r\n\r\nV\u1ec7 sinh sau m\u1ed7i ca l\u00e0m vi\u1ec7c:<\/strong> M\u1ed3 h\u00f4i, d\u1ea7u nh\u1eddn t\u1eeb da m\u1eb7t v\u00e0 b\u1ee5i b\u1ea9n b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u00e0 t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u l\u00e0m tho\u00e1i h\u00f3a ch\u1ea5t li\u1ec7u silicon ho\u1eb7c nh\u1ef1a d\u1ebbo. Sau m\u1ed7i ng\u00e0y l\u00e0m vi\u1ec7c, h\u00e3y s\u1eed d\u1ee5ng kh\u0103n \u1ea9m \u0111\u1ec3 ch\u00f9i nh\u1eb9 c\u00e1c b\u1ed9 ph\u1eadn. Tr\u00e1nh xa c\u00e1c lo\u1ea1i dung m\u00f4i t\u1ea9y r\u1eeda m\u1ea1nh v\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u00e0m gi\u00f2n v\u00e0 n\u1ee9t v\u1ee1 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb.\r\n\r\nK\u1ef9 thu\u1eadt b\u1ea3o l\u01b0u phin l\u1ecdc:<\/strong> Phin l\u1ecdc l\u00e0 b\u1ed9 ph\u1eadn “nh\u1ea1y c\u1ea3m” nh\u1ea5t c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen \u0111\u1ec3 nguy\u00ean phin l\u1ecdc tr\u00ean m\u1eb7t n\u1ea1 sau khi d\u00f9ng, \u0111i\u1ec1u n\u00e0y khi\u1ebfn phin l\u1ecdc ti\u1ebfp t\u1ee5c h\u00fat \u1ea9m v\u00e0 t\u1ea1p ch\u1ea5t t\u1eeb kh\u00f4ng kh\u00ed xung quanh, l\u00e0m hao tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. C\u00e1ch \u0111\u00fang nh\u1ea5t l\u00e0 th\u00e1o r\u1eddi phin l\u1ecdc, \u0111\u1eb7t v\u00e0o t\u00fai k\u00edn kh\u00ed (t\u00fai zip) ho\u1eb7c h\u1ed9p ch\u1ed1ng \u1ea9m \u0111\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i “ngh\u1ec9” ho\u00e0n to\u00e0n cho l\u1edbp than ho\u1ea1t t\u00ednh b\u00ean trong.\r\n\r\nKi\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef:<\/strong> Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh n\u1eafng s\u1ebd l\u00e0 k\u1ebb th\u00f9 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. Vi\u1ec7c \u0111\u1ec3 m\u1eb7t n\u1ea1 trong c\u1ed1p xe n\u00f3ng ho\u1eb7c d\u01b0\u1edbi \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp s\u1ebd khi\u1ebfn ph\u1ea7n gio\u0103ng \u00e1p s\u00e1t m\u1eb7t b\u1ecb bi\u1ebfn d\u1ea1ng, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1edf kh\u00ed khi s\u1eed d\u1ee5ng l\u1ea1i. H\u00e3y ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed kh\u00f4, tho\u00e1ng v\u00e0 s\u1ea1ch \u0111\u1ec3 c\u1ea5t gi\u1eef thi\u1ebft b\u1ecb.\r\n\r\nThanh tra thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3:<\/strong> H\u00e3y t\u1eadp th\u00f3i quen ki\u1ec3m tra t\u1ed5ng th\u1ec3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc m\u1ed7i l\u1ea7n \u0111eo. \u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a d\u00e2y \u0111eo, \u0111\u1ed9 m\u1ec1m m\u1ea1i c\u1ee7a van th\u1edf v\u00e0 s\u1ef1 nguy\u00ean v\u1eb9n c\u1ee7a ph\u1ea7n \u0111\u1ec7m ti\u1ebfp x\u00fac.\r\n\r\nSau c\u00f9ng, vi\u1ec7c tu\u00e2n th\u1ee7 tuy\u1ec7t \u0111\u1ed1i c\u00e1c ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 g\u00e1nh n\u1eb7ng, m\u00e0 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng minh nh\u1ea5t \u0111\u1ec3 b\u1ea1n l\u00e0m ch\u1ee7 thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 s\u1ef1 s\u1ed1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.","protected":false},"excerpt":{"rendered":"Nh\u1ecbp s\u1ed1ng c\u00f4ng nghi\u1ec7p khi\u1ebfn h\u01a1i th\u1edf v\u1ed1n l\u00e0 b\u1ea3n n\u0103ng sinh t\u1ed3n c\u01a1 b\u1ea3n v\u00f4 t\u00ecnh tr\u1edf th\u00e0nh con \u0111\u01b0\u1eddng \u0111\u01b0a kh\u00f3i b\u1ee5i v\u00e0 kh\u00ed \u0111\u1ed9c x\u00e2m nh\u1eadp c\u01a1 th\u1ec3. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u1ee7 quan v\u00ec ch\u01b0a th\u1ea5y \u0111au \u0111\u1edbn t\u1ee9c th\u00ec, trong khi c\u00e1c t\u00e1c nh\u00e2n nguy h\u1ea1i th\u1ea9m th\u1ea5u \u00e2m th\u1ea7m nh\u01b0…<\/p>\n","protected":false},"author":761,"featured_media":76630,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5382,6351,1],"tags":[7282,7280,7281],"class_list":["post-76625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-dap-su-kien","category-review-san-pham","category-tin-tuc","tag-bao-ho-ho-hap-bao-ve-toi-uu","tag-mat-na-phong-doc-3m-chuyen-dung","tag-mat-na-phong-doc-3m-chuyen-dung-chat-luong"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=76625"}],"version-history":[{"count":60,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions"}],"predecessor-version":[{"id":92645,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions\/92645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/76630"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=76625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=76625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=76625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng L\u00e1 Ch\u1eafn C\u00f4ng Ngh\u1ec7 Kh\u00e1c Bi\u1ec7t Ho\u00e0n To\u00e0n V\u1edbi Kh\u1ea9u Trang<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, s\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa m\u1ed9t chi\u1ebfc kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ed9t chi\u1ebfc M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1ec7 l\u1ee5y kh\u00f4n l\u01b0\u1eddng v\u1ec1 s\u1ee9c kh\u1ecfe. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn mang t\u00e2m l\u00fd “c\u00f3 c\u00f2n h\u01a1n kh\u00f4ng” khi b\u01b0\u1edbc v\u00e0o m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t ch\u1ec9 v\u1edbi m\u1ed9t l\u1edbp v\u1ea3i m\u1ecfng manh. Nh\u01b0ng khi m\u00e0 ta so s\u00e1nh v\u1ec1 c\u1ea1nh khoa h\u1ecdc – k\u1ef9 thu\u1eadt th\u00ec s\u1ebd cho ch\u00fang th\u1ea5y \u0111\u01b0\u1ee3c m\u1ed9t kho\u1ea3ng c\u00e1ch kh\u1ed5ng l\u1ed3 v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7.\r\nC\u01a1 Ch\u1ebf L\u1ecdc Ba T\u1ea7ng C\u1ee7a Phin L\u1ecdc Cartridge<\/b><\/h3>\r\n\u0110\u1ec3 hi\u1ec3u \u0111\u00fang v\u1ec1 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, ch\u00fang ta kh\u00f4ng n\u00ean coi n\u00f3 l\u00e0 m\u1ed9t chi\u1ebfc kh\u1ea9u trang cao c\u1ea5p. Th\u1ef1c ch\u1ea5t, \u0111\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p ch\u1ee7 \u0111\u1ed9ng nh\u1ea5t l\u00e0 c\u00e1c d\u1ea1ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1o ra theo m\u1ed9t ti\u00eau chu\u1ea9n an to\u00e0n r\u1ea5t l\u00e0 nghi\u00eam ng\u1eb7t. \r\n\r\nN\u1ebfu nh\u01b0 kh\u1ea9u trang ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00e1i “l\u01b0\u1edbi” ng\u0103n ch\u1eb7n r\u00e1c r\u01b0\u1edfi v\u1eadt l\u00fd, th\u00ec M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M gi\u1ed1ng nh\u01b0 m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd kh\u00ed th\u1ea3i thu nh\u1ecf \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean khu\u00f4n m\u1eb7t ng\u01b0\u1eddi lao \u0111\u1ed9ng. N\u00f3 t\u1ea1o ra m\u1ed9t chu tr\u00ecnh h\u00edt th\u1edf kh\u00e9p k\u00edn, n\u01a1i kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m bu\u1ed9c ph\u1ea3i \u0111i qua c\u00e1c r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t tr\u01b0\u1edbc khi ch\u1ea1m t\u1edbi ph\u1ebf nang.\r\n\r\nNguy\u00ean l\u00fd c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y n\u1eb1m \u1edf s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng phin l\u1ecdc (cartridge) \u2014 y\u1ebfu t\u1ed1 l\u00e0m n\u00ean s\u1ef1 hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed7i h\u01a1i th\u1edf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c “l\u00e0m s\u1ea1ch” qua ba giai \u0111o\u1ea1n ch\u00ednh:\r\n\r\n \t- V\u00f4 hi\u1ec7u h\u00f3a h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn:<\/strong> C\u00e1c h\u1ea1t b\u1ee5i m\u1ecbn nh\u01b0 PM2.5 hay th\u1eadm ch\u00ed PM0.1 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn m\u1ee9c l\u00e0m xuy\u00ean qua nh\u1eefng th\u1edb v\u1ea3i hay c\u00e1c lo\u1ea1i kh\u1ea9u trang v\u00e0 \u0111i th\u1eb3ng v\u00e0o m\u00e1u. C\u00e1i phin l\u1ecdc s\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng c\u00f3 c\u1ea5u tr\u00fac s\u1ee3i si\u00eau d\u00e0y \u0111\u1eb7c, \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o ra m\u00ea tr\u1eadn. T\u1ea1i \u0111\u00e2y, c\u00e1c h\u1ea1t b\u1ee5i b\u1ecb gi\u1eef l\u1ea1i kh\u00f4ng ch\u1ec9 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ch\u1eb7n tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n nh\u1edd v\u00e0o t\u0129nh \u0111i\u1ec7n, va ch\u1ea1m qu\u00e1n t\u00ednh v\u00e0 khu\u1ebfch t\u00e1n. S\u1ebd gi\u00fap cho nh\u1eefng ph\u00e2n t\u1eed b\u1ee5i li ti nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 tho\u00e1t kh\u1ecfi “b\u1eaby” l\u1ecdc.<\/li>\r\n \t
- H\u1ea5p ph\u1ee5 kh\u00ed \u0111\u1ed9c v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t mang t\u00ednh s\u1ed1ng c\u00f2n c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00f4ng c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd h\u1eefu h\u00ecnh \u0111\u1ec3 b\u1ecb “ch\u1eb7n” l\u1ea1i. Thay v\u00e0o \u0111\u00f3, m\u1eb7t n\u1ea1 s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t than ho\u1ea1t t\u00ednh. L\u00fac m\u00e0 c\u00e1c ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c \u0111i qua, ch\u00fang b\u1ecb h\u00fat v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf th\u00f4ng qua l\u1ef1c h\u00fat ph\u00e2n t\u1eed ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp. C\u1ea7n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t ph\u00e9p n\u00e0y: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c l\u1ea1i trong l\u1edbp v\u1eadt li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u00e1 hu\u1ef7 hay trung ho\u00e0 ch\u00fang, v\u00e0 s\u1ee9c ch\u1ee9a \u0111\u00f3 l\u00e0 h\u1eefu h\u1ea1n. Khi l\u1edbp than \u0111\u00e3 no, kh\u00ed \u0111\u1ed9c \u0111i th\u1eb3ng qua m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u b\u00e1o n\u00e0o. Phin l\u1ecdc c\u0169ng ch\u1ec9 x\u1eed l\u00fd \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed, v\u00e0 n\u00f3 kh\u00f4ng sinh ra \u00f4xy.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n tr\u01b0\u1edbc h\u01a1i h\u00f3a ch\u1ea5t m\u1ea1nh:<\/strong> \u1ede c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t (full-face) nh\u01b0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M. Thi\u1ebft b\u1ecb c\u00f2n t\u00edch h\u1ee3p l\u1edbp k\u00ednh c\u01b0\u1eddng l\u1ef1c ch\u1ed1ng \u0111\u1ecdng s\u01b0\u01a1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ni\u00eam m\u1ea1c m\u1eaft \u2013 n\u01a1i v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c lo\u1ea1i h\u01a1i cay, kh\u00ed clo hay c\u00e1c ch\u1ea5t l\u1ecfng b\u1eafn t\u00f3e. \u0110\u00e2y l\u00e0 ph\u1ea7n b\u1ea3o v\u1ec7 m\u1eaft v\u00e0 da m\u1eb7t, t\u00e1ch b\u1ea1ch v\u1edbi ph\u1ea7n l\u1ecdc kh\u00ed, n\u00ean khi ch\u1ecdn thi\u1ebft b\u1ecb ph\u1ea3i x\u00e9t ri\u00eang t\u1eebng ph\u1ea7n thay v\u00ec coi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 l\u00e0 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ecdi m\u1ed1i nguy.<\/li>\r\n<\/ul>\r\n
Kh\u00e1c Bi\u1ec7t C\u1ed1t L\u00f5i So V\u1edbi Kh\u1ea9u Trang Th\u01b0\u1eddng<\/b><\/h3>\r\nSai l\u1ea7m ph\u1ed5 bi\u1ebfn nhi\u1ec1u nh\u1ea5t b\u00e2y gi\u1edd c\u1ee7a ng\u01b0\u1eddi l\u00e0m \u1edf c\u00e1c c\u00f4ng tr\u01b0\u1eddng hay x\u01b0\u1edfng s\u01a1n ch\u00ednh l\u00e0 \u0111\u1eb7t ni\u1ec1m tin v\u00e0o kh\u1ea9u trang l\u00e0m b\u1eb1ng v\u1ea3i ho\u1eb7c kh\u1ea9u trang d\u1ea1ng y t\u1ebf thay v\u00ec trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. \u0110\u1ec3 th\u1ea5y r\u00f5 s\u1ef1 nguy hi\u1ec3m c\u1ee7a quan ni\u1ec7m n\u00e0y, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch ba y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t:\r\n\r\n\u0110\u1ed9 k\u00edn kh\u00edt \u2013 Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n: <\/b>Kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng, do \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf m\u1ec1m m\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac khung x\u01b0\u01a1ng, lu\u00f4n \u0111\u1ec3 l\u1ea1i nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn \u1edf v\u00f9ng c\u00e1nh m\u0169i, hai b\u00ean m\u00e1 v\u00e0 d\u01b0\u1edbi c\u1eb1m. Theo c\u00e1c nghi\u00ean c\u1ee9u an to\u00e0n, l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed “r\u00f2 r\u1ec9” qua c\u00e1c khe n\u00e0y \u1edf kh\u1ea9u trang c\u00f3 th\u1ec3 l\u00ean t\u1edbi 20\u201330%.\r\n\r\n Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ebf t\u1ea1o t\u1eeb silicon ho\u1eb7c nh\u1ef1a d\u1ebbo y t\u1ebf cao c\u1ea5p v\u1edbi thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc. L\u1edbp \u0111\u1ec7m n\u00e0y co gi\u00e3n v\u00e0 \u00f4m kh\u00edt l\u1ea5y m\u1ecdi \u0111\u01b0\u1eddng cong c\u1ee7a khu\u00f4n m\u1eb7t, t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t \u00e2m khi h\u00edt v\u00e0o, \u00e9p ch\u1eb7t m\u1eb7t n\u1ea1 v\u00e0o da. Nh\u1edd \u0111\u00f3 ph\u1ea7n l\u1edbn kh\u00f4ng kh\u00ed h\u00edt v\u00e0o bu\u1ed9c ph\u1ea3i \u0111i qua phin l\u1ecdc. M\u1ee9c k\u00edn th\u1eadt th\u00ec kh\u00e1c nhau theo t\u1eebng khu\u00f4n m\u1eb7t, n\u00ean ch\u1ec9 c\u00f3 ph\u00e9p fit test do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n m\u1edbi x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model cho t\u1eebng ng\u01b0\u1eddi; r\u00e2u quai n\u00f3n ho\u1eb7c r\u00e2u d\u00e0i \u1edf v\u00f9ng gio\u0103ng ti\u1ebfp x\u00fac l\u00e0m h\u1ecfng \u0111\u1ed9 k\u00edn n\u00e0y v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o b\u00f9 l\u1ea1i \u0111\u01b0\u1ee3c.\r\n\r\nHi\u1ec7u su\u1ea5t l\u1ecdc kh\u00ed v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i:<\/b> Kh\u1ea9u trang y t\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n gi\u1ecdt b\u1eafn sinh h\u1ecdc v\u00e0 b\u1ee5i th\u00f4 trong m\u00f4i tr\u01b0\u1eddng sinh ho\u1ea1t. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u1edbi n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t cao, l\u1edbp v\u1ea3i l\u1ecdc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00e3o h\u00f2a ho\u1eb7c b\u1ecb h\u00f3a ch\u1ea5t \u0103n m\u00f2n, l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ec9 sau v\u00e0i ph\u00fat s\u1eed d\u1ee5ng. m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u1ea1i s\u1edf h\u1eefu kh\u1ea3 n\u0103ng “ch\u1ecbu t\u1ea3i” c\u1ef1c l\u1edbn. \r\n\r\nPhin l\u1ecdc ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5, cho ph\u00e9p ng\u01b0\u1eddi x\u00e0i l\u00e0m vi\u1ec7c l\u00e2u h\u01a1n khi h\u1ecd l\u00e0m trong n\u01a1i \u0111\u1eadm \u0111\u1eb7c kh\u00f3i b\u1ee5i v\u00e0 h\u01a1i \u0111\u1ed9c m\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh, ti\u00eau chu\u1ea9n ch\u1ec9 c\u00f3 \u1edf m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng.<\/a>\r\n\r\nT\u00ednh chuy\u00ean bi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn linh ho\u1ea1t: <\/b>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t kh\u00e1c c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u00ednh l\u00e0 t\u00ednh m\u00f4-\u0111un. Kh\u1ea9u trang ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng d\u1ee5ng chung chung v\u00e0 duy nh\u1ea5t. Trong khi \u0111\u00f3, v\u1edbi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i “v\u0169 kh\u00ed” t\u00f9y theo \u0111\u1ed1i th\u1ee7. N\u1ebfu l\u00e0m vi\u1ec7c trong x\u01b0\u1edfng m\u1ed9c, b\u1ea1n l\u1eafp phin l\u1ecdc b\u1ee5i; n\u1ebfu chuy\u1ec3n sang phun s\u01a1n, b\u1ea1n \u0111\u1ed5i sang phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1; n\u1ebfu l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng axit, b\u1ea1n s\u1eed d\u1ee5ng phin l\u1ecdc chuy\u00ean d\u1ee5ng cho kh\u00ed axit. \r\n\r\nS\u1ef1 linh ho\u1ea1t n\u00e0y kh\u00f4ng c\u00f2n l\u00e0 mang l\u1ea1i s\u1ef1 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c nh\u1ea5t cho t\u1eebng lo\u1ea1i \u0111\u1ed9c ch\u1ea5t m\u00e0 s\u1ebd c\u00f2n gi\u00fap gi\u1ea3m \u0111i m\u1ed9t kho\u1ea3ng \u0111\u00e1ng k\u1ec3 cho vi\u1ec7c \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i, tr\u00e1nh t\u00ecnh tr\u1ea1ng “\u0111eo cho c\u00f3” nh\u01b0ng ph\u1ed5i v\u1eabn ph\u1ea3i ch\u1ecbu t\u1ed5n th\u01b0\u01a1ng.\r\n\r\n\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap L\u1ecdc B\u1ee5i M\u1ecbn, H\u1ea5p Th\u1ee5 Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Trong M\u00f4i Tr\u01b0\u1eddng Lao \u0110\u1ed9ng Nguy H\u1ea1i. B\u1ea3o V\u1ec7 Hi\u1ec7u Qu\u1ea3 \u0110\u01b0\u1eddng H\u00f4 H\u1ea5p, Gi\u1ea3m Nguy C\u01a1 B\u1ec7nh, \u0110\u1ea3m B\u1ea3o An To\u00e0n Khi L\u00e0m Vi\u1ec7c L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n7 L\u00fd Do \u0110\u1ec3 Chuy\u1ec3n Sang D\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 l\u00fd do then ch\u1ed1t t\u1ea1i sao khi\u1ebfn cho b\u1ea1n n\u00ean suy ngh\u0129 \u0111\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 n\u00ean th\u1ef1c hi\u1ec7n s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ngay l\u1eadp t\u1ee9c.\r\n\r\nCh\u1eb7n B\u1ee5i Si\u00eau M\u1ecbn V\u00e0 B\u1ecbt K\u00edn Khe H\u1edf Quanh M\u1eb7t<\/h3>\r\n\r\nTrong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, nh\u1eefng m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 th\u01b0\u1eddng kh\u00f4ng th\u1ec3 n\u00e0o c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft. C\u00e1c h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn (PM2.5), h\u01a1i h\u00f3a ch\u1ea5t bay h\u01a1i v\u00e0 kh\u00ed \u0111\u1ed9c t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng ph\u00e2n t\u1eed nanoscopic d\u1ec5 d\u00e0ng xuy\u00ean qua c\u00e1c l\u1edbp l\u1ecdc th\u00f4ng th\u01b0\u1eddng.\r\n\r\n \t- C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7:<\/strong> M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c phin l\u1ecdc chuy\u00ean d\u1ee5ng v\u1edbi c\u1ea5u tr\u00fac \u0111a t\u1ea7ng \u0111\u1ec3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t si\u00eau nh\u1ecf n\u00e0y ngay t\u1eeb c\u1eeda ng\u00f5 h\u00f4 h\u1ea5p.<\/li>\r\n \t
- K\u1ebft qu\u1ea3:<\/strong> Lu\u1ed3ng kh\u00ed khi \u0111i v\u00e0o ph\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c thanh l\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, gi\u00fap c\u01a1 quan h\u00f4 h\u1ea5p tr\u00e1nh kh\u1ecfi s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed9c t\u1ed1 theo th\u1eddi gian. L\u00e0 c\u00e1c d\u1ea1ng kh\u1ea9u trang b\u1eb1ng lo\u1ea1i v\u1ea3i hay kh\u1ea9u trang d\u1ea1ng y t\u1ebf ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n do c\u1ea5u t\u1ea1o m\u00e0ng l\u1ecdc qu\u00e1 th\u00f4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\u0110i\u1ec3m b\u1ecb y\u1ebfu c\u1ee7a kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ed9 h\u1edf l\u1edbn \u1edf v\u00f9ng s\u1ed1ng m\u0169i v\u00e0 hai b\u00ean m\u00e1.\r\n
\r\n \t- Thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc:<\/strong> m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u00f4m l\u1ea5y c\u00e1c \u0111\u01b0\u1eddng n\u00e9t tr\u00ean khu\u00f4n m\u1eb7t, l\u00e0m ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng k\u00edn t\u01b0\u01a1ng \u0111\u1ed1i b\u00ean trong.<\/li>\r\n \t
- K\u1ef9 thu\u1eadt van th\u1edf:<\/strong> H\u1ec7 th\u1ed1ng van th\u1edf m\u1ed9t chi\u1ec1u th\u00f4ng minh \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed ch\u1ec9 \u0111i v\u00e0o qua phin l\u1ecdc v\u00e0 tho\u00e1t ra qua van x\u1ea3, gi\u1eef cho kh\u00ed b\u1ea9n kh\u00f3 lu\u1ed3n qua khe h\u1edf h\u01a1n h\u1eb3n kh\u1ea9u trang th\u01b0\u1eddng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ea3o h\u1ed9 n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao ng\u01b0\u1eddi \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng lu\u00f4n c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi \u0111\u1ee9ng gi\u1eefa t\u00e2m \u0111i\u1ec3m c\u1ee7a kh\u00f3i b\u1ee5i hay h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/li>\r\n<\/ul>\r\n
Ng\u0103n B\u1ec7nh Ngh\u1ec1 Nghi\u1ec7p V\u00e0 \u0110\u1ed5i Phin Theo T\u1eebng Vi\u1ec7c<\/h3>\r\n\r\n \t- Ng\u0103n ng\u1eeba t\u00edch t\u1ee5:<\/strong> B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9c \u0111i v\u00e0o c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u00fap ch\u1eb7n \u0111\u1ee9ng nguy c\u01a1 vi\u00eam ph\u1ed5i m\u00e3n t\u00ednh ho\u1eb7c hen suy\u1ec5n ngh\u1ec1 nghi\u1ec7p.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 n\u0103ng l\u1ef1c lao \u0111\u1ed9ng:<\/strong> Thay v\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tr\u1ecb t\u1ed1n k\u00e9m v\u00e0 m\u1ec7t m\u1ecfi trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng h\u00f4m nay gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1ed5n h\u01a1n v\u00e0 cu\u1ed9c s\u1ed1ng l\u00e0nh m\u1ea1nh \u0111\u1ebfn khi v\u1ec1 h\u01b0u.<\/li>\r\n<\/ul>\r\n\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3, v\u00e0 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng hi\u1ec3u r\u00f5 \u0111i\u1ec1u \u0111\u00f3.\r\n
\r\n \t- \u0110a d\u1ea1ng t\u00f9y ch\u1ecdn:<\/strong> T\u00f9y v\u00e0o t\u00ednh ch\u1ea5t m\u00f4i tr\u01b0\u1eddng, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecdn m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1eb9 nh\u00e0ng ho\u1eb7c m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u1ea3 v\u00f9ng m\u1eaft.<\/li>\r\n \t
- Phin l\u1ecdc t\u00f9y bi\u1ebfn:<\/strong> H\u1ec7 th\u1ed1ng phin l\u1ecdc c\u00f3 th\u1ec3 thay th\u1ebf d\u1ec5 d\u00e0ng gi\u00fap b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u1eeb l\u1ecdc b\u1ee5i m\u1ecbn trong x\u00e2y d\u1ef1ng s\u00e0ng l\u1ecdc h\u01a1i s\u01a1n h\u1eefu c\u01a1 hay kh\u00ed axit trong ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 trong v\u00e0i gi\u00e2y. S\u1ef1 linh ho\u1ea1t n\u00e0y bi\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/li>\r\n<\/ul>\r\n
\u0110eo D\u1ec5 Ch\u1ecbu, Ti\u1ebft Ki\u1ec7m D\u00e0i H\u1ea1n V\u00e0 N\u00eau G\u01b0\u01a1ng An To\u00e0n<\/h3>\r\n\r\nNhi\u1ec1u ng\u01b0\u1eddi e ng\u1ea1i m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c v\u00ec \u0111\u1ecbnh ki\u1ebfn v\u1ec1 s\u1ef1 b\u00ed b\u00e1ch v\u00e0 n\u1eb7ng n\u1ec1. Tuy nhi\u00ean, c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ebf h\u1ec7 m\u1edbi \u0111\u00e3 x\u00f3a b\u1ecf ho\u00e0n to\u00e0n r\u00e0o c\u1ea3n n\u00e0y.\r\n\r\n \t- V\u1eadt li\u1ec7u cao c\u1ea5p:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng silicon ho\u1eb7c nh\u1ef1a d\u1ebbo si\u00eau nh\u1eb9 gi\u00fap thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi da m\u1ed9t c\u00e1ch \u00eam \u00e1i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng hay \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n s\u00e2u.<\/li>\r\n \t
- L\u01b0u th\u00f4ng kh\u00ed t\u1ed1i \u01b0u:<\/strong> C\u00e1c van th\u1edf \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ee9c c\u1ea3n khi h\u00edt v\u00e0o v\u00e0 th\u1edf ra, duy tr\u00ec s\u1ef1 th\u00f4ng tho\u00e1ng. Ch\u00ednh d\u1ec5 ch\u1ecbu n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi lao \u0111\u1ed9ng duy tr\u00ec th\u00f3i quen \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ef1 nguy\u1ec7n.<\/li>\r\n<\/ul>\r\n\r\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i ti\u1ebft ki\u1ec7m h\u01a1n b\u1ea1n t\u01b0\u1edfng.\r\n
\r\n \t- T\u00e1i s\u1eed d\u1ee5ng l\u00e2u d\u00e0i:<\/strong> Thay v\u00ec ph\u1ea3i ti\u00eau t\u1ed1n h\u00e0ng t\u00e1 kh\u1ea9u trang d\u00f9ng m\u1ed9t l\u1ea7n v\u00e0 v\u1ee9t b\u1ecf ch\u00fang v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ed7i ng\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng b\u1ec1n b\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng n\u0103m tr\u1eddi n\u1ebfu \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t.<\/li>\r\n \t
- T\u1ed1i \u01b0u chi ph\u00ed:<\/strong> B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 thay th\u1ebf phin l\u1ecdc theo \u0111\u1ecbnh k\u1ef3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ef1c t\u1ebf, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch b\u1ea3o h\u1ed9.<\/li>\r\n<\/ul>\r\n\r\n
\r\n \t- Ph\u00e1t tri\u1ec3n \u00fd th\u1ee9c:<\/strong> N\u00f3 s\u1ebd \u1edf m\u1ed9t nh\u01b0 l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf kh\u00f4ng l\u1eddi nh\u1eefng nguy hi\u1ec3m ti\u1ec1m t\u00e0ng, gi\u00fap h\u00ecnh th\u00e0nh t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c:<\/strong> Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u t\u1ef1 gi\u00e1c trang b\u1ecb m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u00e2m v\u00e0 b\u1ec1n v\u1eefng v\u00e0 t\u00f4n tr\u1ecdng s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/li>\r\n<\/ul>\r\n
L\u1ef1a Ch\u1ecdn M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1i kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “m\u1eb7t n\u1ea1 v\u1ea1n n\u0103ng” c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u1ecdi lo\u1ea1i \u0111\u1ed9c t\u1ed1. Vi\u1ec7c nh\u1eafm m\u1eaft ch\u1ecdn \u0111\u1ea1i m\u1ed9t thi\u1ebft b\u1ecb che ch\u1eafn m\u00e0 kh\u00f4ng c\u0103n c\u1ee9 v\u00e0o th\u1ef1c t\u1ebf m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t sai l\u1ea7m ch\u1ebft ng\u01b0\u1eddi. Ch\u1ecdn \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 ch\u1ecdn \u0111\u00fang phin l\u1ecdc l\u00e0 hai vi\u1ec7c \u0111i li\u1ec1n nhau, v\u00e0 c\u1ea3 hai \u0111\u1ec1u v\u00f4 ngh\u0129a n\u1ebfu chi\u1ebfc m\u1eb7t n\u1ea1 kh\u00f4ng \u00f4m kh\u00edt khu\u00f4n m\u1eb7t ng\u01b0\u1eddi \u0111eo. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai d\u00f2ng thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ea1o v\u00e0 v\u00f9ng d\u00f9ng c\u1ee7a t\u1eebng d\u00f2ng:\r\n\r\nM\u1eb7t N\u1ea1 N\u1eeda M\u1eb7t Cho C\u00f4ng Vi\u1ec7c B\u1ee5i G\u1ed7 V\u00e0 S\u01a1n PU<\/h3>\r\n\r\nM\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t l\u00e0 d\u00f2ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u01b0\u1edfng nh\u1edd nh\u1eb9 v\u00e0 g\u1ecdn. V\u1edbi thi\u1ebft k\u1ebf ch\u1ec9 che ph\u1ee7 v\u00f9ng m\u0169i v\u00e0 mi\u1ec7ng, d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y t\u1eadp trung t\u1ed1i \u0111a v\u00e0o s\u1ef1 g\u1ecdn nh\u1eb9 v\u00e0 t\u00ednh c\u01a1 \u0111\u1ed9ng \u2014 ti\u00eau bi\u1ec3u l\u00e0 c\u00e1c m\u1eabu m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng d\u1ea1ng n\u1eeda m\u1eb7t.\r\n\r\n \t- \u01afu \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i:<\/b> \u0110i\u1ec3m c\u1ed9ng l\u1edbn nh\u1ea5t ch\u00ednh l\u00e0 c\u1ea5u tr\u00fac c\u00f4ng th\u00e1i h\u1ecdc, gi\u1ea3m thi\u1ec3u \u00e1p l\u1ef1c l\u00ean v\u00f9ng c\u1ed5 v\u00e0 g\u00e1y, gi\u00fap ng\u01b0\u1eddi \u0111eo ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 ca d\u00e0i m\u00e0 kh\u00f4ng th\u1ea5y n\u1eb7ng n\u1ec1. Ch\u1ea5t li\u1ec7u th\u01b0\u1eddng l\u00e0 nh\u1ef1a TPE ho\u1eb7c silicone, hai v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ec1m c\u1ee7a gio\u0103ng ti\u1ebfp x\u00fac l\u00e2u h\u01a1n cao su th\u01b0\u1eddng.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng:<\/b> T\u1ed1i \u01b0u c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i \u1edf m\u1ee9c trung b\u00ecnh nh\u01b0: phun s\u01a1n PU, ngh\u1ec1 m\u1ed9c (ch\u1ed1ng b\u1ee5i g\u1ed7 v\u00e0 m\u00f9i h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t), ho\u1eb7c c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nhi\u1ec1u b\u1ee5i b\u1eb7m. T\u00ednh th\u00edch \u1ee9ng n\u00e0y c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng d\u1ec5 k\u1ebft h\u1ee3p th\u00eam v\u1edbi k\u00ednh b\u1ea3o h\u1ed9 ho\u1eb7c m\u0169 b\u1ea3o hi\u1ec3m m\u00e0 kh\u00f4ng g\u00e2y v\u01b0\u1edbng v\u00edu.<\/li>\r\n<\/ul>\r\n
M\u1eb7t N\u1ea1 Nguy\u00ean M\u1eb7t Cho H\u01a1i Axit V\u00e0 Kh\u00ed K\u00edch \u1ee8ng M\u1eaft<\/h3>\r\n\r\n \t- Che \u0111\u01b0\u1ee3c c\u1ea3 v\u00f9ng m\u1eaft:<\/strong> V\u1edbi l\u1edbp k\u00ednh polycarbonate r\u1ed9ng b\u1ea3n, m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t ch\u1eafn th\u00eam h\u01a1i axit v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed g\u00e2y k\u00edch \u1ee9ng m\u1eaft m\u1ea1nh, ph\u1ea7n m\u00e0 m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t b\u1ecf ng\u1ecf. Nh\u01b0ng c\u1ea3 h\u1ecd thi\u1ebft b\u1ecb n\u00e0y d\u1eebng \u1edf m\u1ed9t ch\u1ed7: m\u1eb7t n\u1ea1 phin l\u1ecdc ch\u1ec9 l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed \u0111ang c\u00f3, n\u00f3 kh\u00f4ng c\u1ea5p \u00f4xy. V\u00ec v\u1eady tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng n\u00f3 trong kh\u00f4ng gian k\u00edn, h\u1ea7m h\u1ed1, b\u1ec3 ch\u1ee9a, h\u1ea7m m\u1ecf hay b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o n\u1ed3ng \u0111\u1ed9 \u00f4xy c\u00f3 th\u1ec3 d\u01b0\u1edbi 19,5%, c\u0169ng kh\u00f4ng d\u00f9ng khi v\u00e0o \u0111\u00e1m ch\u00e1y. Nh\u1eefng v\u1ecb tr\u00ed \u0111\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng b\u00ecnh th\u1edf c\u1ea5p kh\u00ed \u0111\u1ed9c l\u1eadp ho\u1eb7c h\u1ec7 c\u1ea5p kh\u00ed \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 ph\u1ea3i \u0111o kh\u00ed tr\u01b0\u1edbc khi v\u00e0o.<\/li>\r\n \t
- Gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0:<\/b> M\u1eb7c d\u00f9 m\u1ee9c gi\u00e1 c\u1ee7a d\u00f2ng nguy\u00ean m\u1eb7t th\u01b0\u1eddng cao h\u01a1n so v\u1edbi d\u00f2ng n\u1eeda m\u1eb7t, nh\u01b0ng gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 s\u1ee9c kh\u1ecfe m\u00e0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng mang l\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 \u0111ong \u0111\u1ebfm. N\u00f3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecfng ho\u00e1 ch\u1ea5t v\u00f9ng m\u1eb7t v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u1eaft do h\u01a1i k\u00edch \u1ee9ng.<\/li>\r\n<\/ul>\r\n
Ch\u1ecdn \u0110\u00fang Phin L\u1ecdc V\u00e0 C\u00e1ch L\u00e0m Fit Test<\/h3>\r\n\r\nN\u1ebfu th\u00e2n m\u1eb7t n\u1ea1 l\u00e0 khung x\u01b0\u01a1ng th\u00ec phin l\u1ecdc ch\u00ednh l\u00e0 “tr\u00e1i tim” quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u00f2n. Sai l\u1ea7m l\u1edbn nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0 l\u1eafp b\u1ea5t k\u1ef3 lo\u1ea1i phin l\u1ecdc n\u00e0o c\u00f3 s\u1eb5n v\u00e0o m\u1eb7t n\u1ea1. V\u1edbi M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng, m\u1ed7i lo\u1ea1i phin l\u1ecdc d\u00f9ng v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i ch\u1ec9 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed:\r\n\r\n \t- Phin l\u1ecdc b\u1ee5i m\u1ecbn:<\/b> S\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng l\u1ecdc c\u01a1 h\u1ecdc si\u00eau kh\u00edt \u0111\u1ec3 b\u1eaby c\u00e1c h\u1ea1t b\u1ee5i PM2.5, b\u1ee5i kim lo\u1ea1i ho\u1eb7c s\u1ee3i th\u1ee7y tinh.<\/li>\r\n \t
- Phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1:<\/b> Ch\u1ee9a than ho\u1ea1t t\u00ednh \u0111\u00e3 qua x\u1eed l\u00fd \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ph\u00e2n t\u1eed m\u00f9i t\u1eeb s\u01a1n, dung m\u00f4i, x\u0103ng d\u1ea7u.<\/li>\r\n \t
- Phin l\u1ecdc kh\u00ed axit\/h\u00f3a ch\u1ea5t \u0111\u1eb7c th\u00f9:<\/b> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u1eebng c\u00e1c h\u01a1i \u0111\u1ed9c nh\u01b0 Clo, Amoniac, ho\u1eb7c kh\u00ed l\u01b0u hu\u1ef3nh.<\/li>\r\n \t
- L\u01b0u \u00fd sinh t\u1eed:<\/b> Vi\u1ec7c s\u1eed d\u1ee5ng sai lo\u1ea1i phin l\u1ecdc c\u0169ng nguy hi\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c kh\u00f4ng \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed9t chi\u1ebfc phin l\u1ecdc b\u1ee5i s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec tr\u01b0\u1edbc h\u01a1i s\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\r\n<\/ul>\r\n\r\n\r\nSau khi \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c “l\u00e1 ch\u1eafn” ph\u00f9 h\u1ee3p, vi\u1ec7c cu\u1ed1i c\u00f9ng c\u1ea7n l\u00e0m tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o v\u00f9ng nguy hi\u1ec3m l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo. H\u00e3y d\u00f9ng l\u00f2ng b\u00e0n tay b\u1ecbt ch\u1eb7t \u0111\u01b0\u1eddng kh\u00ed v\u00e0o v\u00e0 h\u00edt m\u1ed9t h\u01a1i th\u1eadt nh\u1eb9. N\u1ebfu m\u1eb7t n\u1ea1 h\u01a1i x\u1eb9p xu\u1ed1ng v\u00e0 b\u1ea1n kh\u00f4ng th\u1ea5y lu\u1ed3ng kh\u00ed n\u00e0o r\u00f2 qua m\u00e9p silicone \u1edf s\u1ed1ng m\u0169i hay c\u1eb1m th\u00ec thi\u1ebft b\u1ecb \u0111ang \u00f4m \u0111\u1ee7 k\u00edn cho l\u1ea7n \u0111eo n\u00e0y.\n\nC\u1ea7n g\u1ecdi \u0111\u00fang t\u00ean thao t\u00e1c v\u1eeba m\u00f4 t\u1ea3: b\u1ecbt \u0111\u01b0\u1eddng kh\u00ed r\u1ed3i h\u00edt nh\u1eb9 l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo, l\u00e0m m\u1ed7i l\u1ea7n \u0111\u1ed9i m\u1eb7t n\u1ea1 l\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i fit test. OSHA 1910.134 v\u1ec1 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p<\/a> t\u00e1ch b\u1ea1ch hai vi\u1ec7c n\u00e0y: ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn do ch\u00ednh ng\u01b0\u1eddi \u0111eo t\u1ef1 l\u00e0m tr\u01b0\u1edbc m\u1ed7i l\u1ea7n v\u00e0o khu v\u1ef1c \u00f4 nhi\u1ec5m, c\u00f2n fit test l\u00e0 ph\u00e9p th\u1eed \u0111\u1ecbnh t\u00ednh ho\u1eb7c \u0111\u1ecbnh l\u01b0\u1ee3ng do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t l\u1ea7n \u0111\u1ea7u v\u00e0 l\u1eb7p l\u1ea1i \u0111\u1ecbnh k\u1ef3, g\u1eafn v\u1edbi \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model. C\u0169ng theo t\u00e0i li\u1ec7u n\u00e0y, h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t th\u1ea5p h\u01a1n h\u1eb3n lo\u1ea1i nguy\u00ean m\u1eb7t, n\u00ean vi\u1ec7c ch\u1ecdn gi\u1eefa hai d\u00f2ng ph\u1ea3i d\u1ef1a v\u00e0o n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c t\u1ea1i v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c d\u1ec5 th\u1edf. V\u1edbi nh\u00f3m kh\u1ea9u trang l\u1ecdc b\u1ee5i d\u00f9ng m\u1ed9t l\u1ea7n, h\u01b0\u1edbng d\u1eabn c\u1ee7a NIOSH v\u1ec1 kh\u1ea9u trang l\u1ecdc b\u1ee5i<\/a> nh\u1eafc th\u00eam m\u1ed9t d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft: s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ee9ng nh\u1eadn lu\u00f4n in m\u00e3 d\u1ea1ng TC 84A-XXXX tr\u00ean th\u00e2n, kh\u00f4ng c\u00f3 d\u00e3y s\u1ed1 \u0111\u00f3 th\u00ec kh\u00f4ng c\u00f3 c\u01a1 s\u1edf n\u00e0o \u0111\u1ec3 t\u00ednh h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7.\r\n\r\n\n
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap B\u1ea3o V\u1ec7 H\u1ec7 H\u00f4 H\u1ea5p Tr\u01b0\u1edbc Kh\u00f3i B\u1ee5i, Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Nh\u1edd C\u00f4ng Ngh\u1ec7 Phin L\u1ecdc \u0110a T\u1ea7ng Hi\u1ec7u Qu\u1ea3. Thi\u1ebft K\u1ebf \u00d4m Kh\u00edt, D\u1ec5 Th\u1edf, Linh Ho\u1ea1t Thay Phin L\u1ecdc, \u0110\u1ea3m B\u1ea3o An To\u00e0n L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nChi\u1ebfn Thu\u1eadt Duy Tr\u00ec V\u00e0 B\u1ea3o D\u01b0\u1ee1ng Cho L\u00e1 Ch\u1eafn H\u00f4 H\u1ea5p<\/strong><\/h2>\r\n\r\n\r\n\r\n\r\nVi\u1ec7c b\u1ea1n d\u00f9ng s\u1ed1 ti\u1ec1n c\u0169ng kha kh\u00e1 l\u1edbn \u0111\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cao c\u1ea5p th\u1ef1c t\u1ebf m\u1edbi ch\u1ec9 gi\u00fap b\u1ea1n \u0111i \u0111\u01b0\u1ee3c n\u1eeda ch\u1eb7ng \u0111\u01b0\u1eddng trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i \u00f4 nhi\u1ec5m. S\u1ef1 an to\u00e0n th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf th\u01b0\u01a1ng hi\u1ec7u hay gi\u00e1 ti\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb, m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c, th\u1ea5u hi\u1ec3u v\u00e0 ch\u0103m s\u00f3c n\u00f3 h\u1eb1ng ng\u00e0y.\r\n\r\n\r\n\r\nNguy\u00ean T\u1eafc X\u01b0\u01a1ng M\u00e1u Trong Qu\u00e1 Tr\u00ecnh V\u1eadn H\u00e0nh<\/b><\/h3>\r\n\r\n \t- Nh\u1ea1y b\u00e9n v\u1edbi c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o<\/b>: Trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i, kh\u1ee9u gi\u00e1c v\u00e0 c\u1ea3m gi\u00e1c h\u00f4 h\u1ea5p l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o s\u1edbm g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi th\u1ee3. \u0110ang l\u00e0m m\u00e0 b\u1ea1n ch\u1ee3t nh\u1eadn th\u1ea5y m\u1ed9t l\u00e0n h\u01b0\u01a1ng l\u1ea1, m\u00f9i h\u00f3a ch\u1ea5t thoang tho\u1ea3ng ho\u1eb7c c\u1ea3m th\u1ea5y vi\u1ec7c h\u00edt th\u1edf tr\u1edf n\u00ean n\u1eb7ng n\u1ec1, kh\u00f3 kh\u0103n h\u01a1n b\u00ecnh th\u01b0\u1eddng, \u0111\u00f3 ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u cho th\u1ea5y phin l\u1ecdc \u0111\u00e3 b\u00e3o ho\u00e0 ho\u1eb7c m\u1eb7t n\u1ea1 \u0111ang b\u1ecb h\u1edf. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, gi\u1ea3i ph\u00e1p duy nh\u1ea5t l\u00e0 l\u1eadp t\u1ee9c r\u1eddi kh\u1ecfi khu v\u1ef1c \u00f4 nhi\u1ec5m r\u1ed3i m\u1edbi ki\u1ec3m tra, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00e1n l\u1ea1i d\u00f9 ch\u1ec9 v\u00e0i ph\u00fat. C\u0169ng l\u01b0u \u00fd ng\u01b0\u1ee1ng c\u1ea3m nh\u1eadn b\u1eb1ng m\u0169i kh\u00f4ng ph\u1ea3i ph\u00e9p \u0111o: nhi\u1ec1u ch\u1ea5t c\u00f3 ng\u01b0\u1ee1ng g\u00e2y h\u1ea1i th\u1ea5p h\u01a1n ng\u01b0\u1ee1ng ng\u1eedi th\u1ea5y, n\u00ean l\u1ecbch thay phin ph\u1ea3i \u0111\u1eb7t theo gi\u1edd s\u1eed d\u1ee5ng v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng \u0111\u1ee3i t\u1edbi l\u00fac ng\u1eedi th\u1ea5y m\u00f9i.<\/li>\r\n \t
- Thi\u1ebft b\u1ecb c\u1ea5p theo t\u1eebng ng\u01b0\u1eddi:<\/strong> Chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i gi\u00e0y \u0111\u00f3ng ri\u00eang theo c\u1ee1 b\u00e0n ch\u00e2n, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf \u0111\u1ed9 \u00f4m kh\u00edt. Vi\u1ec7c d\u00f9ng chung thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u1ec7 sinh d\u1ecbch t\u1ec5 m\u00e0 c\u00f2n tri\u1ec7t ti\u00eau kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, b\u1edfi m\u1ed7i c\u1ea5u tr\u00fac x\u01b0\u01a1ng m\u1eb7t s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m ti\u1ebfp x\u00fac kh\u00e1c.<\/li>\r\n \t
- Chi\u1ebfn thu\u1eadt h\u1ed3i s\u1ee9c cho l\u00e1 ph\u1ed1i:<\/strong> \u0110eo m\u1eb7t n\u1ea1 trong th\u1eddi gian d\u00e0i, nh\u1ea5t l\u00e0 \u1edf n\u01a1i n\u00f3ng b\u1ee9c ho\u1eb7c khi ph\u1ea3i v\u1eadn \u0111\u1ed9ng m\u1ea1nh, l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n h\u00f4 h\u1ea5p v\u00e0 g\u00e1nh n\u1eb7ng tim m\u1ea1ch. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do quy \u0111\u1ecbnh y\u00eau c\u1ea7u kh\u00e1m s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p cho ng\u01b0\u1eddi lao \u0111\u1ed9ng. H\u00e3y thi\u1ebft l\u1eadp nh\u1eefng kho\u1ea3ng ngh\u1ec9 ng\u1eafn t\u1ea1i n\u01a1i c\u00f3 kh\u00f4ng kh\u00ed trong l\u00e0nh \u0111\u1ec3 ph\u1ed1i c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c thanh l\u1ecdc v\u00e0 ph\u1ee5c h\u1ed3i n\u0103ng l\u1ef1c trao \u0111\u1ed5i kh\u00ed.<\/li>\r\n<\/ul>\r\n
Quy Tr\u00ecnh B\u1ea3o Qu\u1ea3n V\u00e0 L\u01b0u Kho Phin L\u1ecdc<\/strong><\/h3>\r\nB\u1ed1n vi\u1ec7c d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n v\u1eadn h\u00e0nh th\u01b0\u1eddng b\u1ecb b\u1ecf qua c\u1ee7a m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p<\/a> \u0111\u00e3 mua \u0111\u00fang.\r\n\r\nV\u1ec7 sinh sau m\u1ed7i ca l\u00e0m vi\u1ec7c:<\/strong> M\u1ed3 h\u00f4i, d\u1ea7u nh\u1eddn t\u1eeb da m\u1eb7t v\u00e0 b\u1ee5i b\u1ea9n b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u00e0 t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u l\u00e0m tho\u00e1i h\u00f3a ch\u1ea5t li\u1ec7u silicon ho\u1eb7c nh\u1ef1a d\u1ebbo. Sau m\u1ed7i ng\u00e0y l\u00e0m vi\u1ec7c, h\u00e3y s\u1eed d\u1ee5ng kh\u0103n \u1ea9m \u0111\u1ec3 ch\u00f9i nh\u1eb9 c\u00e1c b\u1ed9 ph\u1eadn. Tr\u00e1nh xa c\u00e1c lo\u1ea1i dung m\u00f4i t\u1ea9y r\u1eeda m\u1ea1nh v\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u00e0m gi\u00f2n v\u00e0 n\u1ee9t v\u1ee1 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb.\r\n\r\nK\u1ef9 thu\u1eadt b\u1ea3o l\u01b0u phin l\u1ecdc:<\/strong> Phin l\u1ecdc l\u00e0 b\u1ed9 ph\u1eadn “nh\u1ea1y c\u1ea3m” nh\u1ea5t c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen \u0111\u1ec3 nguy\u00ean phin l\u1ecdc tr\u00ean m\u1eb7t n\u1ea1 sau khi d\u00f9ng, \u0111i\u1ec1u n\u00e0y khi\u1ebfn phin l\u1ecdc ti\u1ebfp t\u1ee5c h\u00fat \u1ea9m v\u00e0 t\u1ea1p ch\u1ea5t t\u1eeb kh\u00f4ng kh\u00ed xung quanh, l\u00e0m hao tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. C\u00e1ch \u0111\u00fang nh\u1ea5t l\u00e0 th\u00e1o r\u1eddi phin l\u1ecdc, \u0111\u1eb7t v\u00e0o t\u00fai k\u00edn kh\u00ed (t\u00fai zip) ho\u1eb7c h\u1ed9p ch\u1ed1ng \u1ea9m \u0111\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i “ngh\u1ec9” ho\u00e0n to\u00e0n cho l\u1edbp than ho\u1ea1t t\u00ednh b\u00ean trong.\r\n\r\nKi\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef:<\/strong> Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh n\u1eafng s\u1ebd l\u00e0 k\u1ebb th\u00f9 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. Vi\u1ec7c \u0111\u1ec3 m\u1eb7t n\u1ea1 trong c\u1ed1p xe n\u00f3ng ho\u1eb7c d\u01b0\u1edbi \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp s\u1ebd khi\u1ebfn ph\u1ea7n gio\u0103ng \u00e1p s\u00e1t m\u1eb7t b\u1ecb bi\u1ebfn d\u1ea1ng, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1edf kh\u00ed khi s\u1eed d\u1ee5ng l\u1ea1i. H\u00e3y ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed kh\u00f4, tho\u00e1ng v\u00e0 s\u1ea1ch \u0111\u1ec3 c\u1ea5t gi\u1eef thi\u1ebft b\u1ecb.\r\n\r\nThanh tra thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3:<\/strong> H\u00e3y t\u1eadp th\u00f3i quen ki\u1ec3m tra t\u1ed5ng th\u1ec3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc m\u1ed7i l\u1ea7n \u0111eo. \u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a d\u00e2y \u0111eo, \u0111\u1ed9 m\u1ec1m m\u1ea1i c\u1ee7a van th\u1edf v\u00e0 s\u1ef1 nguy\u00ean v\u1eb9n c\u1ee7a ph\u1ea7n \u0111\u1ec7m ti\u1ebfp x\u00fac.\r\n\r\nSau c\u00f9ng, vi\u1ec7c tu\u00e2n th\u1ee7 tuy\u1ec7t \u0111\u1ed1i c\u00e1c ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 g\u00e1nh n\u1eb7ng, m\u00e0 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng minh nh\u1ea5t \u0111\u1ec3 b\u1ea1n l\u00e0m ch\u1ee7 thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 s\u1ef1 s\u1ed1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.","protected":false},"excerpt":{"rendered":"Nh\u1ecbp s\u1ed1ng c\u00f4ng nghi\u1ec7p khi\u1ebfn h\u01a1i th\u1edf v\u1ed1n l\u00e0 b\u1ea3n n\u0103ng sinh t\u1ed3n c\u01a1 b\u1ea3n v\u00f4 t\u00ecnh tr\u1edf th\u00e0nh con \u0111\u01b0\u1eddng \u0111\u01b0a kh\u00f3i b\u1ee5i v\u00e0 kh\u00ed \u0111\u1ed9c x\u00e2m nh\u1eadp c\u01a1 th\u1ec3. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u1ee7 quan v\u00ec ch\u01b0a th\u1ea5y \u0111au \u0111\u1edbn t\u1ee9c th\u00ec, trong khi c\u00e1c t\u00e1c nh\u00e2n nguy h\u1ea1i th\u1ea9m th\u1ea5u \u00e2m th\u1ea7m nh\u01b0…<\/p>\n","protected":false},"author":761,"featured_media":76630,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5382,6351,1],"tags":[7282,7280,7281],"class_list":["post-76625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-dap-su-kien","category-review-san-pham","category-tin-tuc","tag-bao-ho-ho-hap-bao-ve-toi-uu","tag-mat-na-phong-doc-3m-chuyen-dung","tag-mat-na-phong-doc-3m-chuyen-dung-chat-luong"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=76625"}],"version-history":[{"count":60,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions"}],"predecessor-version":[{"id":92645,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions\/92645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/76630"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=76625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=76625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=76625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \r\n \t
- V\u00f4 hi\u1ec7u h\u00f3a h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn:<\/strong> C\u00e1c h\u1ea1t b\u1ee5i m\u1ecbn nh\u01b0 PM2.5 hay th\u1eadm ch\u00ed PM0.1 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn m\u1ee9c l\u00e0m xuy\u00ean qua nh\u1eefng th\u1edb v\u1ea3i hay c\u00e1c lo\u1ea1i kh\u1ea9u trang v\u00e0 \u0111i th\u1eb3ng v\u00e0o m\u00e1u. C\u00e1i phin l\u1ecdc s\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng c\u00f3 c\u1ea5u tr\u00fac s\u1ee3i si\u00eau d\u00e0y \u0111\u1eb7c, \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o ra m\u00ea tr\u1eadn. T\u1ea1i \u0111\u00e2y, c\u00e1c h\u1ea1t b\u1ee5i b\u1ecb gi\u1eef l\u1ea1i kh\u00f4ng ch\u1ec9 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ch\u1eb7n tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n nh\u1edd v\u00e0o t\u0129nh \u0111i\u1ec7n, va ch\u1ea1m qu\u00e1n t\u00ednh v\u00e0 khu\u1ebfch t\u00e1n. S\u1ebd gi\u00fap cho nh\u1eefng ph\u00e2n t\u1eed b\u1ee5i li ti nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 tho\u00e1t kh\u1ecfi “b\u1eaby” l\u1ecdc.<\/li>\r\n \t
- H\u1ea5p ph\u1ee5 kh\u00ed \u0111\u1ed9c v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t mang t\u00ednh s\u1ed1ng c\u00f2n c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00f4ng c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd h\u1eefu h\u00ecnh \u0111\u1ec3 b\u1ecb “ch\u1eb7n” l\u1ea1i. Thay v\u00e0o \u0111\u00f3, m\u1eb7t n\u1ea1 s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t than ho\u1ea1t t\u00ednh. L\u00fac m\u00e0 c\u00e1c ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c \u0111i qua, ch\u00fang b\u1ecb h\u00fat v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf th\u00f4ng qua l\u1ef1c h\u00fat ph\u00e2n t\u1eed ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp. C\u1ea7n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t ph\u00e9p n\u00e0y: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c l\u1ea1i trong l\u1edbp v\u1eadt li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u00e1 hu\u1ef7 hay trung ho\u00e0 ch\u00fang, v\u00e0 s\u1ee9c ch\u1ee9a \u0111\u00f3 l\u00e0 h\u1eefu h\u1ea1n. Khi l\u1edbp than \u0111\u00e3 no, kh\u00ed \u0111\u1ed9c \u0111i th\u1eb3ng qua m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u b\u00e1o n\u00e0o. Phin l\u1ecdc c\u0169ng ch\u1ec9 x\u1eed l\u00fd \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed, v\u00e0 n\u00f3 kh\u00f4ng sinh ra \u00f4xy.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n tr\u01b0\u1edbc h\u01a1i h\u00f3a ch\u1ea5t m\u1ea1nh:<\/strong> \u1ede c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t (full-face) nh\u01b0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M. Thi\u1ebft b\u1ecb c\u00f2n t\u00edch h\u1ee3p l\u1edbp k\u00ednh c\u01b0\u1eddng l\u1ef1c ch\u1ed1ng \u0111\u1ecdng s\u01b0\u01a1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ni\u00eam m\u1ea1c m\u1eaft \u2013 n\u01a1i v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c lo\u1ea1i h\u01a1i cay, kh\u00ed clo hay c\u00e1c ch\u1ea5t l\u1ecfng b\u1eafn t\u00f3e. \u0110\u00e2y l\u00e0 ph\u1ea7n b\u1ea3o v\u1ec7 m\u1eaft v\u00e0 da m\u1eb7t, t\u00e1ch b\u1ea1ch v\u1edbi ph\u1ea7n l\u1ecdc kh\u00ed, n\u00ean khi ch\u1ecdn thi\u1ebft b\u1ecb ph\u1ea3i x\u00e9t ri\u00eang t\u1eebng ph\u1ea7n thay v\u00ec coi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 l\u00e0 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ecdi m\u1ed1i nguy.<\/li>\r\n<\/ul>\r\n
Kh\u00e1c Bi\u1ec7t C\u1ed1t L\u00f5i So V\u1edbi Kh\u1ea9u Trang Th\u01b0\u1eddng<\/b><\/h3>\r\nSai l\u1ea7m ph\u1ed5 bi\u1ebfn nhi\u1ec1u nh\u1ea5t b\u00e2y gi\u1edd c\u1ee7a ng\u01b0\u1eddi l\u00e0m \u1edf c\u00e1c c\u00f4ng tr\u01b0\u1eddng hay x\u01b0\u1edfng s\u01a1n ch\u00ednh l\u00e0 \u0111\u1eb7t ni\u1ec1m tin v\u00e0o kh\u1ea9u trang l\u00e0m b\u1eb1ng v\u1ea3i ho\u1eb7c kh\u1ea9u trang d\u1ea1ng y t\u1ebf thay v\u00ec trang b\u1ecb M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. \u0110\u1ec3 th\u1ea5y r\u00f5 s\u1ef1 nguy hi\u1ec3m c\u1ee7a quan ni\u1ec7m n\u00e0y, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch ba y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t:\r\n\r\n\u0110\u1ed9 k\u00edn kh\u00edt \u2013 Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n: <\/b>Kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng, do \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf m\u1ec1m m\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac khung x\u01b0\u01a1ng, lu\u00f4n \u0111\u1ec3 l\u1ea1i nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn \u1edf v\u00f9ng c\u00e1nh m\u0169i, hai b\u00ean m\u00e1 v\u00e0 d\u01b0\u1edbi c\u1eb1m. Theo c\u00e1c nghi\u00ean c\u1ee9u an to\u00e0n, l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed “r\u00f2 r\u1ec9” qua c\u00e1c khe n\u00e0y \u1edf kh\u1ea9u trang c\u00f3 th\u1ec3 l\u00ean t\u1edbi 20\u201330%.\r\n\r\n Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ebf t\u1ea1o t\u1eeb silicon ho\u1eb7c nh\u1ef1a d\u1ebbo y t\u1ebf cao c\u1ea5p v\u1edbi thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc. L\u1edbp \u0111\u1ec7m n\u00e0y co gi\u00e3n v\u00e0 \u00f4m kh\u00edt l\u1ea5y m\u1ecdi \u0111\u01b0\u1eddng cong c\u1ee7a khu\u00f4n m\u1eb7t, t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t \u00e2m khi h\u00edt v\u00e0o, \u00e9p ch\u1eb7t m\u1eb7t n\u1ea1 v\u00e0o da. Nh\u1edd \u0111\u00f3 ph\u1ea7n l\u1edbn kh\u00f4ng kh\u00ed h\u00edt v\u00e0o bu\u1ed9c ph\u1ea3i \u0111i qua phin l\u1ecdc. M\u1ee9c k\u00edn th\u1eadt th\u00ec kh\u00e1c nhau theo t\u1eebng khu\u00f4n m\u1eb7t, n\u00ean ch\u1ec9 c\u00f3 ph\u00e9p fit test do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n m\u1edbi x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model cho t\u1eebng ng\u01b0\u1eddi; r\u00e2u quai n\u00f3n ho\u1eb7c r\u00e2u d\u00e0i \u1edf v\u00f9ng gio\u0103ng ti\u1ebfp x\u00fac l\u00e0m h\u1ecfng \u0111\u1ed9 k\u00edn n\u00e0y v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o b\u00f9 l\u1ea1i \u0111\u01b0\u1ee3c.\r\n\r\nHi\u1ec7u su\u1ea5t l\u1ecdc kh\u00ed v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i:<\/b> Kh\u1ea9u trang y t\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n gi\u1ecdt b\u1eafn sinh h\u1ecdc v\u00e0 b\u1ee5i th\u00f4 trong m\u00f4i tr\u01b0\u1eddng sinh ho\u1ea1t. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u1edbi n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t cao, l\u1edbp v\u1ea3i l\u1ecdc s\u1ebd nhanh ch\u00f3ng b\u1ecb b\u00e3o h\u00f2a ho\u1eb7c b\u1ecb h\u00f3a ch\u1ea5t \u0103n m\u00f2n, l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ec9 sau v\u00e0i ph\u00fat s\u1eed d\u1ee5ng. m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u1ea1i s\u1edf h\u1eefu kh\u1ea3 n\u0103ng “ch\u1ecbu t\u1ea3i” c\u1ef1c l\u1edbn. \r\n\r\nPhin l\u1ecdc ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5, cho ph\u00e9p ng\u01b0\u1eddi x\u00e0i l\u00e0m vi\u1ec7c l\u00e2u h\u01a1n khi h\u1ecd l\u00e0m trong n\u01a1i \u0111\u1eadm \u0111\u1eb7c kh\u00f3i b\u1ee5i v\u00e0 h\u01a1i \u0111\u1ed9c m\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh, ti\u00eau chu\u1ea9n ch\u1ec9 c\u00f3 \u1edf m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng.<\/a>\r\n\r\nT\u00ednh chuy\u00ean bi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn linh ho\u1ea1t: <\/b>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t kh\u00e1c c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng ch\u00ednh l\u00e0 t\u00ednh m\u00f4-\u0111un. Kh\u1ea9u trang ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng d\u1ee5ng chung chung v\u00e0 duy nh\u1ea5t. Trong khi \u0111\u00f3, v\u1edbi m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i “v\u0169 kh\u00ed” t\u00f9y theo \u0111\u1ed1i th\u1ee7. N\u1ebfu l\u00e0m vi\u1ec7c trong x\u01b0\u1edfng m\u1ed9c, b\u1ea1n l\u1eafp phin l\u1ecdc b\u1ee5i; n\u1ebfu chuy\u1ec3n sang phun s\u01a1n, b\u1ea1n \u0111\u1ed5i sang phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1; n\u1ebfu l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng axit, b\u1ea1n s\u1eed d\u1ee5ng phin l\u1ecdc chuy\u00ean d\u1ee5ng cho kh\u00ed axit. \r\n\r\nS\u1ef1 linh ho\u1ea1t n\u00e0y kh\u00f4ng c\u00f2n l\u00e0 mang l\u1ea1i s\u1ef1 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c nh\u1ea5t cho t\u1eebng lo\u1ea1i \u0111\u1ed9c ch\u1ea5t m\u00e0 s\u1ebd c\u00f2n gi\u00fap gi\u1ea3m \u0111i m\u1ed9t kho\u1ea3ng \u0111\u00e1ng k\u1ec3 cho vi\u1ec7c \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i, tr\u00e1nh t\u00ecnh tr\u1ea1ng “\u0111eo cho c\u00f3” nh\u01b0ng ph\u1ed5i v\u1eabn ph\u1ea3i ch\u1ecbu t\u1ed5n th\u01b0\u01a1ng.\r\n\r\n\n
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap L\u1ecdc B\u1ee5i M\u1ecbn, H\u1ea5p Th\u1ee5 Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Trong M\u00f4i Tr\u01b0\u1eddng Lao \u0110\u1ed9ng Nguy H\u1ea1i. B\u1ea3o V\u1ec7 Hi\u1ec7u Qu\u1ea3 \u0110\u01b0\u1eddng H\u00f4 H\u1ea5p, Gi\u1ea3m Nguy C\u01a1 B\u1ec7nh, \u0110\u1ea3m B\u1ea3o An To\u00e0n Khi L\u00e0m Vi\u1ec7c L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n 7 L\u00fd Do \u0110\u1ec3 Chuy\u1ec3n Sang D\u00f9ng M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 l\u00fd do then ch\u1ed1t t\u1ea1i sao khi\u1ebfn cho b\u1ea1n n\u00ean suy ngh\u0129 \u0111\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng v\u00e0 n\u00ean th\u1ef1c hi\u1ec7n s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ngay l\u1eadp t\u1ee9c.\r\n\r\n
Ch\u1eb7n B\u1ee5i Si\u00eau M\u1ecbn V\u00e0 B\u1ecbt K\u00edn Khe H\u1edf Quanh M\u1eb7t<\/h3>\r\n\r\nTrong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, nh\u1eefng m\u1ed1i nguy hi\u1ec3m th\u1ef1c s\u1ef1 th\u01b0\u1eddng kh\u00f4ng th\u1ec3 n\u00e0o c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft. C\u00e1c h\u1ea1t b\u1ee5i si\u00eau m\u1ecbn (PM2.5), h\u01a1i h\u00f3a ch\u1ea5t bay h\u01a1i v\u00e0 kh\u00ed \u0111\u1ed9c t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng nh\u1eefng ph\u00e2n t\u1eed nanoscopic d\u1ec5 d\u00e0ng xuy\u00ean qua c\u00e1c l\u1edbp l\u1ecdc th\u00f4ng th\u01b0\u1eddng.\r\n
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- C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7:<\/strong> M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c phin l\u1ecdc chuy\u00ean d\u1ee5ng v\u1edbi c\u1ea5u tr\u00fac \u0111a t\u1ea7ng \u0111\u1ec3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t si\u00eau nh\u1ecf n\u00e0y ngay t\u1eeb c\u1eeda ng\u00f5 h\u00f4 h\u1ea5p.<\/li>\r\n \t
- K\u1ebft qu\u1ea3:<\/strong> Lu\u1ed3ng kh\u00ed khi \u0111i v\u00e0o ph\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c thanh l\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, gi\u00fap c\u01a1 quan h\u00f4 h\u1ea5p tr\u00e1nh kh\u1ecfi s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed9c t\u1ed1 theo th\u1eddi gian. L\u00e0 c\u00e1c d\u1ea1ng kh\u1ea9u trang b\u1eb1ng lo\u1ea1i v\u1ea3i hay kh\u1ea9u trang d\u1ea1ng y t\u1ebf ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n do c\u1ea5u t\u1ea1o m\u00e0ng l\u1ecdc qu\u00e1 th\u00f4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\u0110i\u1ec3m b\u1ecb y\u1ebfu c\u1ee7a kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ed9 h\u1edf l\u1edbn \u1edf v\u00f9ng s\u1ed1ng m\u0169i v\u00e0 hai b\u00ean m\u00e1.\r\n
- \r\n \t
- Thi\u1ebft k\u1ebf c\u00f4ng th\u00e1i h\u1ecdc:<\/strong> m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u00f4m l\u1ea5y c\u00e1c \u0111\u01b0\u1eddng n\u00e9t tr\u00ean khu\u00f4n m\u1eb7t, l\u00e0m ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng k\u00edn t\u01b0\u01a1ng \u0111\u1ed1i b\u00ean trong.<\/li>\r\n \t
- K\u1ef9 thu\u1eadt van th\u1edf:<\/strong> H\u1ec7 th\u1ed1ng van th\u1edf m\u1ed9t chi\u1ec1u th\u00f4ng minh \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed ch\u1ec9 \u0111i v\u00e0o qua phin l\u1ecdc v\u00e0 tho\u00e1t ra qua van x\u1ea3, gi\u1eef cho kh\u00ed b\u1ea9n kh\u00f3 lu\u1ed3n qua khe h\u1edf h\u01a1n h\u1eb3n kh\u1ea9u trang th\u01b0\u1eddng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ea3o h\u1ed9 n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao ng\u01b0\u1eddi \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng lu\u00f4n c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi \u0111\u1ee9ng gi\u1eefa t\u00e2m \u0111i\u1ec3m c\u1ee7a kh\u00f3i b\u1ee5i hay h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/li>\r\n<\/ul>\r\n
Ng\u0103n B\u1ec7nh Ngh\u1ec1 Nghi\u1ec7p V\u00e0 \u0110\u1ed5i Phin Theo T\u1eebng Vi\u1ec7c<\/h3>\r\n
- \r\n \t
- Ng\u0103n ng\u1eeba t\u00edch t\u1ee5:<\/strong> B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9c \u0111i v\u00e0o c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y, m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u00fap ch\u1eb7n \u0111\u1ee9ng nguy c\u01a1 vi\u00eam ph\u1ed5i m\u00e3n t\u00ednh ho\u1eb7c hen suy\u1ec5n ngh\u1ec1 nghi\u1ec7p.<\/li>\r\n \t
- B\u1ea3o v\u1ec7 n\u0103ng l\u1ef1c lao \u0111\u1ed9ng:<\/strong> Thay v\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tr\u1ecb t\u1ed1n k\u00e9m v\u00e0 m\u1ec7t m\u1ecfi trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng h\u00f4m nay gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1ed5n h\u01a1n v\u00e0 cu\u1ed9c s\u1ed1ng l\u00e0nh m\u1ea1nh \u0111\u1ebfn khi v\u1ec1 h\u01b0u.<\/li>\r\n<\/ul>\r\n\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3, v\u00e0 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng hi\u1ec3u r\u00f5 \u0111i\u1ec1u \u0111\u00f3.\r\n
- \r\n \t
- \u0110a d\u1ea1ng t\u00f9y ch\u1ecdn:<\/strong> T\u00f9y v\u00e0o t\u00ednh ch\u1ea5t m\u00f4i tr\u01b0\u1eddng, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ecdn m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1eb9 nh\u00e0ng ho\u1eb7c m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u1ea3 v\u00f9ng m\u1eaft.<\/li>\r\n \t
- Phin l\u1ecdc t\u00f9y bi\u1ebfn:<\/strong> H\u1ec7 th\u1ed1ng phin l\u1ecdc c\u00f3 th\u1ec3 thay th\u1ebf d\u1ec5 d\u00e0ng gi\u00fap b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u1eeb l\u1ecdc b\u1ee5i m\u1ecbn trong x\u00e2y d\u1ef1ng s\u00e0ng l\u1ecdc h\u01a1i s\u01a1n h\u1eefu c\u01a1 hay kh\u00ed axit trong ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 trong v\u00e0i gi\u00e2y. S\u1ef1 linh ho\u1ea1t n\u00e0y bi\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/li>\r\n<\/ul>\r\n
\u0110eo D\u1ec5 Ch\u1ecbu, Ti\u1ebft Ki\u1ec7m D\u00e0i H\u1ea1n V\u00e0 N\u00eau G\u01b0\u01a1ng An To\u00e0n<\/h3>\r\n\r\nNhi\u1ec1u ng\u01b0\u1eddi e ng\u1ea1i m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c v\u00ec \u0111\u1ecbnh ki\u1ebfn v\u1ec1 s\u1ef1 b\u00ed b\u00e1ch v\u00e0 n\u1eb7ng n\u1ec1. Tuy nhi\u00ean, c\u00e1c d\u00f2ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ebf h\u1ec7 m\u1edbi \u0111\u00e3 x\u00f3a b\u1ecf ho\u00e0n to\u00e0n r\u00e0o c\u1ea3n n\u00e0y.\r\n
- \r\n \t
- V\u1eadt li\u1ec7u cao c\u1ea5p:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng silicon ho\u1eb7c nh\u1ef1a d\u1ebbo si\u00eau nh\u1eb9 gi\u00fap thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi da m\u1ed9t c\u00e1ch \u00eam \u00e1i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng hay \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n s\u00e2u.<\/li>\r\n \t
- L\u01b0u th\u00f4ng kh\u00ed t\u1ed1i \u01b0u:<\/strong> C\u00e1c van th\u1edf \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ee9c c\u1ea3n khi h\u00edt v\u00e0o v\u00e0 th\u1edf ra, duy tr\u00ec s\u1ef1 th\u00f4ng tho\u00e1ng. Ch\u00ednh d\u1ec5 ch\u1ecbu n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi lao \u0111\u1ed9ng duy tr\u00ec th\u00f3i quen \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ef1 nguy\u1ec7n.<\/li>\r\n<\/ul>\r\n\r\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i ti\u1ebft ki\u1ec7m h\u01a1n b\u1ea1n t\u01b0\u1edfng.\r\n
- \r\n \t
- T\u00e1i s\u1eed d\u1ee5ng l\u00e2u d\u00e0i:<\/strong> Thay v\u00ec ph\u1ea3i ti\u00eau t\u1ed1n h\u00e0ng t\u00e1 kh\u1ea9u trang d\u00f9ng m\u1ed9t l\u1ea7n v\u00e0 v\u1ee9t b\u1ecf ch\u00fang v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ed7i ng\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng b\u1ec1n b\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng n\u0103m tr\u1eddi n\u1ebfu \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t.<\/li>\r\n \t
- T\u1ed1i \u01b0u chi ph\u00ed:<\/strong> B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 thay th\u1ebf phin l\u1ecdc theo \u0111\u1ecbnh k\u1ef3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ef1c t\u1ebf, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch b\u1ea3o h\u1ed9.<\/li>\r\n<\/ul>\r\n\r\n
- \r\n \t
- Ph\u00e1t tri\u1ec3n \u00fd th\u1ee9c:<\/strong> N\u00f3 s\u1ebd \u1edf m\u1ed9t nh\u01b0 l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf kh\u00f4ng l\u1eddi nh\u1eefng nguy hi\u1ec3m ti\u1ec1m t\u00e0ng, gi\u00fap h\u00ecnh th\u00e0nh t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c:<\/strong> Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u t\u1ef1 gi\u00e1c trang b\u1ecb m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u00e2m v\u00e0 b\u1ec1n v\u1eefng v\u00e0 t\u00f4n tr\u1ecdng s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/li>\r\n<\/ul>\r\n
L\u1ef1a Ch\u1ecdn M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng<\/b><\/h2>\r\nTrong th\u1ebf gi\u1edbi b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng, kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1i kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “m\u1eb7t n\u1ea1 v\u1ea1n n\u0103ng” c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u1ecdi lo\u1ea1i \u0111\u1ed9c t\u1ed1. Vi\u1ec7c nh\u1eafm m\u1eaft ch\u1ecdn \u0111\u1ea1i m\u1ed9t thi\u1ebft b\u1ecb che ch\u1eafn m\u00e0 kh\u00f4ng c\u0103n c\u1ee9 v\u00e0o th\u1ef1c t\u1ebf m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t sai l\u1ea7m ch\u1ebft ng\u01b0\u1eddi. Ch\u1ecdn \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 ch\u1ecdn \u0111\u00fang phin l\u1ecdc l\u00e0 hai vi\u1ec7c \u0111i li\u1ec1n nhau, v\u00e0 c\u1ea3 hai \u0111\u1ec1u v\u00f4 ngh\u0129a n\u1ebfu chi\u1ebfc m\u1eb7t n\u1ea1 kh\u00f4ng \u00f4m kh\u00edt khu\u00f4n m\u1eb7t ng\u01b0\u1eddi \u0111eo. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai d\u00f2ng thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ea1o v\u00e0 v\u00f9ng d\u00f9ng c\u1ee7a t\u1eebng d\u00f2ng:\r\n\r\n
M\u1eb7t N\u1ea1 N\u1eeda M\u1eb7t Cho C\u00f4ng Vi\u1ec7c B\u1ee5i G\u1ed7 V\u00e0 S\u01a1n PU<\/h3>\r\n\r\nM\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t l\u00e0 d\u00f2ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u01b0\u1edfng nh\u1edd nh\u1eb9 v\u00e0 g\u1ecdn. V\u1edbi thi\u1ebft k\u1ebf ch\u1ec9 che ph\u1ee7 v\u00f9ng m\u0169i v\u00e0 mi\u1ec7ng, d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y t\u1eadp trung t\u1ed1i \u0111a v\u00e0o s\u1ef1 g\u1ecdn nh\u1eb9 v\u00e0 t\u00ednh c\u01a1 \u0111\u1ed9ng \u2014 ti\u00eau bi\u1ec3u l\u00e0 c\u00e1c m\u1eabu m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng d\u1ea1ng n\u1eeda m\u1eb7t.\r\n
- \r\n \t
- \u01afu \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i:<\/b> \u0110i\u1ec3m c\u1ed9ng l\u1edbn nh\u1ea5t ch\u00ednh l\u00e0 c\u1ea5u tr\u00fac c\u00f4ng th\u00e1i h\u1ecdc, gi\u1ea3m thi\u1ec3u \u00e1p l\u1ef1c l\u00ean v\u00f9ng c\u1ed5 v\u00e0 g\u00e1y, gi\u00fap ng\u01b0\u1eddi \u0111eo ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 ca d\u00e0i m\u00e0 kh\u00f4ng th\u1ea5y n\u1eb7ng n\u1ec1. Ch\u1ea5t li\u1ec7u th\u01b0\u1eddng l\u00e0 nh\u1ef1a TPE ho\u1eb7c silicone, hai v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ec1m c\u1ee7a gio\u0103ng ti\u1ebfp x\u00fac l\u00e2u h\u01a1n cao su th\u01b0\u1eddng.<\/li>\r\n \t
- M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng:<\/b> T\u1ed1i \u01b0u c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i \u1edf m\u1ee9c trung b\u00ecnh nh\u01b0: phun s\u01a1n PU, ngh\u1ec1 m\u1ed9c (ch\u1ed1ng b\u1ee5i g\u1ed7 v\u00e0 m\u00f9i h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t), ho\u1eb7c c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nhi\u1ec1u b\u1ee5i b\u1eb7m. T\u00ednh th\u00edch \u1ee9ng n\u00e0y c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng d\u1ec5 k\u1ebft h\u1ee3p th\u00eam v\u1edbi k\u00ednh b\u1ea3o h\u1ed9 ho\u1eb7c m\u0169 b\u1ea3o hi\u1ec3m m\u00e0 kh\u00f4ng g\u00e2y v\u01b0\u1edbng v\u00edu.<\/li>\r\n<\/ul>\r\n
M\u1eb7t N\u1ea1 Nguy\u00ean M\u1eb7t Cho H\u01a1i Axit V\u00e0 Kh\u00ed K\u00edch \u1ee8ng M\u1eaft<\/h3>\r\n
- \r\n \t
- Che \u0111\u01b0\u1ee3c c\u1ea3 v\u00f9ng m\u1eaft:<\/strong> V\u1edbi l\u1edbp k\u00ednh polycarbonate r\u1ed9ng b\u1ea3n, m\u1eb7t n\u1ea1 nguy\u00ean m\u1eb7t ch\u1eafn th\u00eam h\u01a1i axit v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed g\u00e2y k\u00edch \u1ee9ng m\u1eaft m\u1ea1nh, ph\u1ea7n m\u00e0 m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t b\u1ecf ng\u1ecf. Nh\u01b0ng c\u1ea3 h\u1ecd thi\u1ebft b\u1ecb n\u00e0y d\u1eebng \u1edf m\u1ed9t ch\u1ed7: m\u1eb7t n\u1ea1 phin l\u1ecdc ch\u1ec9 l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed \u0111ang c\u00f3, n\u00f3 kh\u00f4ng c\u1ea5p \u00f4xy. V\u00ec v\u1eady tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng n\u00f3 trong kh\u00f4ng gian k\u00edn, h\u1ea7m h\u1ed1, b\u1ec3 ch\u1ee9a, h\u1ea7m m\u1ecf hay b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o n\u1ed3ng \u0111\u1ed9 \u00f4xy c\u00f3 th\u1ec3 d\u01b0\u1edbi 19,5%, c\u0169ng kh\u00f4ng d\u00f9ng khi v\u00e0o \u0111\u00e1m ch\u00e1y. Nh\u1eefng v\u1ecb tr\u00ed \u0111\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng b\u00ecnh th\u1edf c\u1ea5p kh\u00ed \u0111\u1ed9c l\u1eadp ho\u1eb7c h\u1ec7 c\u1ea5p kh\u00ed \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 ph\u1ea3i \u0111o kh\u00ed tr\u01b0\u1edbc khi v\u00e0o.<\/li>\r\n \t
- Gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0:<\/b> M\u1eb7c d\u00f9 m\u1ee9c gi\u00e1 c\u1ee7a d\u00f2ng nguy\u00ean m\u1eb7t th\u01b0\u1eddng cao h\u01a1n so v\u1edbi d\u00f2ng n\u1eeda m\u1eb7t, nh\u01b0ng gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 s\u1ee9c kh\u1ecfe m\u00e0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng mang l\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 \u0111ong \u0111\u1ebfm. N\u00f3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecfng ho\u00e1 ch\u1ea5t v\u00f9ng m\u1eb7t v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u1eaft do h\u01a1i k\u00edch \u1ee9ng.<\/li>\r\n<\/ul>\r\n
Ch\u1ecdn \u0110\u00fang Phin L\u1ecdc V\u00e0 C\u00e1ch L\u00e0m Fit Test<\/h3>\r\n\r\nN\u1ebfu th\u00e2n m\u1eb7t n\u1ea1 l\u00e0 khung x\u01b0\u01a1ng th\u00ec phin l\u1ecdc ch\u00ednh l\u00e0 “tr\u00e1i tim” quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u00f2n. Sai l\u1ea7m l\u1edbn nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng l\u00e0 l\u1eafp b\u1ea5t k\u1ef3 lo\u1ea1i phin l\u1ecdc n\u00e0o c\u00f3 s\u1eb5n v\u00e0o m\u1eb7t n\u1ea1. V\u1edbi M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng, m\u1ed7i lo\u1ea1i phin l\u1ecdc d\u00f9ng v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i ch\u1ec9 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed:\r\n
- \r\n \t
- Phin l\u1ecdc b\u1ee5i m\u1ecbn:<\/b> S\u1eed d\u1ee5ng c\u00e1c l\u1edbp m\u00e0ng l\u1ecdc c\u01a1 h\u1ecdc si\u00eau kh\u00edt \u0111\u1ec3 b\u1eaby c\u00e1c h\u1ea1t b\u1ee5i PM2.5, b\u1ee5i kim lo\u1ea1i ho\u1eb7c s\u1ee3i th\u1ee7y tinh.<\/li>\r\n \t
- Phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1:<\/b> Ch\u1ee9a than ho\u1ea1t t\u00ednh \u0111\u00e3 qua x\u1eed l\u00fd \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ph\u00e2n t\u1eed m\u00f9i t\u1eeb s\u01a1n, dung m\u00f4i, x\u0103ng d\u1ea7u.<\/li>\r\n \t
- Phin l\u1ecdc kh\u00ed axit\/h\u00f3a ch\u1ea5t \u0111\u1eb7c th\u00f9:<\/b> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u1eebng c\u00e1c h\u01a1i \u0111\u1ed9c nh\u01b0 Clo, Amoniac, ho\u1eb7c kh\u00ed l\u01b0u hu\u1ef3nh.<\/li>\r\n \t
- L\u01b0u \u00fd sinh t\u1eed:<\/b> Vi\u1ec7c s\u1eed d\u1ee5ng sai lo\u1ea1i phin l\u1ecdc c\u0169ng nguy hi\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c kh\u00f4ng \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. M\u1ed9t chi\u1ebfc phin l\u1ecdc b\u1ee5i s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec tr\u01b0\u1edbc h\u01a1i s\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\r\n<\/ul>\r\n\r\n\r\nSau khi \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c “l\u00e1 ch\u1eafn” ph\u00f9 h\u1ee3p, vi\u1ec7c cu\u1ed1i c\u00f9ng c\u1ea7n l\u00e0m tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o v\u00f9ng nguy hi\u1ec3m l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo. H\u00e3y d\u00f9ng l\u00f2ng b\u00e0n tay b\u1ecbt ch\u1eb7t \u0111\u01b0\u1eddng kh\u00ed v\u00e0o v\u00e0 h\u00edt m\u1ed9t h\u01a1i th\u1eadt nh\u1eb9. N\u1ebfu m\u1eb7t n\u1ea1 h\u01a1i x\u1eb9p xu\u1ed1ng v\u00e0 b\u1ea1n kh\u00f4ng th\u1ea5y lu\u1ed3ng kh\u00ed n\u00e0o r\u00f2 qua m\u00e9p silicone \u1edf s\u1ed1ng m\u0169i hay c\u1eb1m th\u00ec thi\u1ebft b\u1ecb \u0111ang \u00f4m \u0111\u1ee7 k\u00edn cho l\u1ea7n \u0111eo n\u00e0y.\n\nC\u1ea7n g\u1ecdi \u0111\u00fang t\u00ean thao t\u00e1c v\u1eeba m\u00f4 t\u1ea3: b\u1ecbt \u0111\u01b0\u1eddng kh\u00ed r\u1ed3i h\u00edt nh\u1eb9 l\u00e0 ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn khi \u0111eo, l\u00e0m m\u1ed7i l\u1ea7n \u0111\u1ed9i m\u1eb7t n\u1ea1 l\u00ean, ch\u1ee9 kh\u00f4ng ph\u1ea3i fit test. OSHA 1910.134 v\u1ec1 b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p<\/a> t\u00e1ch b\u1ea1ch hai vi\u1ec7c n\u00e0y: ph\u00e9p ki\u1ec3m \u0111\u1ed9 k\u00edn do ch\u00ednh ng\u01b0\u1eddi \u0111eo t\u1ef1 l\u00e0m tr\u01b0\u1edbc m\u1ed7i l\u1ea7n v\u00e0o khu v\u1ef1c \u00f4 nhi\u1ec5m, c\u00f2n fit test l\u00e0 ph\u00e9p th\u1eed \u0111\u1ecbnh t\u00ednh ho\u1eb7c \u0111\u1ecbnh l\u01b0\u1ee3ng do ng\u01b0\u1eddi c\u00f3 nghi\u1ec7p v\u1ee5 th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t l\u1ea7n \u0111\u1ea7u v\u00e0 l\u1eb7p l\u1ea1i \u0111\u1ecbnh k\u1ef3, g\u1eafn v\u1edbi \u0111\u00fang c\u1ee1 v\u00e0 \u0111\u00fang model. C\u0169ng theo t\u00e0i li\u1ec7u n\u00e0y, h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a m\u1eb7t n\u1ea1 n\u1eeda m\u1eb7t th\u1ea5p h\u01a1n h\u1eb3n lo\u1ea1i nguy\u00ean m\u1eb7t, n\u00ean vi\u1ec7c ch\u1ecdn gi\u1eefa hai d\u00f2ng ph\u1ea3i d\u1ef1a v\u00e0o n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c t\u1ea1i v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o c\u1ea3m gi\u00e1c d\u1ec5 th\u1edf. V\u1edbi nh\u00f3m kh\u1ea9u trang l\u1ecdc b\u1ee5i d\u00f9ng m\u1ed9t l\u1ea7n, h\u01b0\u1edbng d\u1eabn c\u1ee7a NIOSH v\u1ec1 kh\u1ea9u trang l\u1ecdc b\u1ee5i<\/a> nh\u1eafc th\u00eam m\u1ed9t d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft: s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ee9ng nh\u1eadn lu\u00f4n in m\u00e3 d\u1ea1ng TC 84A-XXXX tr\u00ean th\u00e2n, kh\u00f4ng c\u00f3 d\u00e3y s\u1ed1 \u0111\u00f3 th\u00ec kh\u00f4ng c\u00f3 c\u01a1 s\u1edf n\u00e0o \u0111\u1ec3 t\u00ednh h\u1ec7 s\u1ed1 b\u1ea3o v\u1ec7.\r\n\r\n\n
M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M Chuy\u00ean D\u1ee5ng Gi\u00fap B\u1ea3o V\u1ec7 H\u1ec7 H\u00f4 H\u1ea5p Tr\u01b0\u1edbc Kh\u00f3i B\u1ee5i, Kh\u00ed \u0110\u1ed9c V\u00e0 H\u01a1i H\u00f3a Ch\u1ea5t Nh\u1edd C\u00f4ng Ngh\u1ec7 Phin L\u1ecdc \u0110a T\u1ea7ng Hi\u1ec7u Qu\u1ea3. Thi\u1ebft K\u1ebf \u00d4m Kh\u00edt, D\u1ec5 Th\u1edf, Linh Ho\u1ea1t Thay Phin L\u1ecdc, \u0110\u1ea3m B\u1ea3o An To\u00e0n L\u00e2u D\u00e0i.<\/figcaption><\/figure>\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n Chi\u1ebfn Thu\u1eadt Duy Tr\u00ec V\u00e0 B\u1ea3o D\u01b0\u1ee1ng Cho L\u00e1 Ch\u1eafn H\u00f4 H\u1ea5p<\/strong><\/h2>\r\n\r\n\r\n\r\n\r\nVi\u1ec7c b\u1ea1n d\u00f9ng s\u1ed1 ti\u1ec1n c\u0169ng kha kh\u00e1 l\u1edbn \u0111\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cao c\u1ea5p th\u1ef1c t\u1ebf m\u1edbi ch\u1ec9 gi\u00fap b\u1ea1n \u0111i \u0111\u01b0\u1ee3c n\u1eeda ch\u1eb7ng \u0111\u01b0\u1eddng trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i \u00f4 nhi\u1ec5m. S\u1ef1 an to\u00e0n th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf th\u01b0\u01a1ng hi\u1ec7u hay gi\u00e1 ti\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb, m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c, th\u1ea5u hi\u1ec3u v\u00e0 ch\u0103m s\u00f3c n\u00f3 h\u1eb1ng ng\u00e0y.\r\n\r\n\r\n\r\n
Nguy\u00ean T\u1eafc X\u01b0\u01a1ng M\u00e1u Trong Qu\u00e1 Tr\u00ecnh V\u1eadn H\u00e0nh<\/b><\/h3>\r\n
- \r\n \t
- Nh\u1ea1y b\u00e9n v\u1edbi c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o<\/b>: Trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9c h\u1ea1i, kh\u1ee9u gi\u00e1c v\u00e0 c\u1ea3m gi\u00e1c h\u00f4 h\u1ea5p l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o s\u1edbm g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi th\u1ee3. \u0110ang l\u00e0m m\u00e0 b\u1ea1n ch\u1ee3t nh\u1eadn th\u1ea5y m\u1ed9t l\u00e0n h\u01b0\u01a1ng l\u1ea1, m\u00f9i h\u00f3a ch\u1ea5t thoang tho\u1ea3ng ho\u1eb7c c\u1ea3m th\u1ea5y vi\u1ec7c h\u00edt th\u1edf tr\u1edf n\u00ean n\u1eb7ng n\u1ec1, kh\u00f3 kh\u0103n h\u01a1n b\u00ecnh th\u01b0\u1eddng, \u0111\u00f3 ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u cho th\u1ea5y phin l\u1ecdc \u0111\u00e3 b\u00e3o ho\u00e0 ho\u1eb7c m\u1eb7t n\u1ea1 \u0111ang b\u1ecb h\u1edf. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, gi\u1ea3i ph\u00e1p duy nh\u1ea5t l\u00e0 l\u1eadp t\u1ee9c r\u1eddi kh\u1ecfi khu v\u1ef1c \u00f4 nhi\u1ec5m r\u1ed3i m\u1edbi ki\u1ec3m tra, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00e1n l\u1ea1i d\u00f9 ch\u1ec9 v\u00e0i ph\u00fat. C\u0169ng l\u01b0u \u00fd ng\u01b0\u1ee1ng c\u1ea3m nh\u1eadn b\u1eb1ng m\u0169i kh\u00f4ng ph\u1ea3i ph\u00e9p \u0111o: nhi\u1ec1u ch\u1ea5t c\u00f3 ng\u01b0\u1ee1ng g\u00e2y h\u1ea1i th\u1ea5p h\u01a1n ng\u01b0\u1ee1ng ng\u1eedi th\u1ea5y, n\u00ean l\u1ecbch thay phin ph\u1ea3i \u0111\u1eb7t theo gi\u1edd s\u1eed d\u1ee5ng v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng \u0111\u1ee3i t\u1edbi l\u00fac ng\u1eedi th\u1ea5y m\u00f9i.<\/li>\r\n \t
- Thi\u1ebft b\u1ecb c\u1ea5p theo t\u1eebng ng\u01b0\u1eddi:<\/strong> Chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i gi\u00e0y \u0111\u00f3ng ri\u00eang theo c\u1ee1 b\u00e0n ch\u00e2n, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf \u0111\u1ed9 \u00f4m kh\u00edt. Vi\u1ec7c d\u00f9ng chung thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u1ec7 sinh d\u1ecbch t\u1ec5 m\u00e0 c\u00f2n tri\u1ec7t ti\u00eau kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, b\u1edfi m\u1ed7i c\u1ea5u tr\u00fac x\u01b0\u01a1ng m\u1eb7t s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m ti\u1ebfp x\u00fac kh\u00e1c.<\/li>\r\n \t
- Chi\u1ebfn thu\u1eadt h\u1ed3i s\u1ee9c cho l\u00e1 ph\u1ed1i:<\/strong> \u0110eo m\u1eb7t n\u1ea1 trong th\u1eddi gian d\u00e0i, nh\u1ea5t l\u00e0 \u1edf n\u01a1i n\u00f3ng b\u1ee9c ho\u1eb7c khi ph\u1ea3i v\u1eadn \u0111\u1ed9ng m\u1ea1nh, l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n h\u00f4 h\u1ea5p v\u00e0 g\u00e1nh n\u1eb7ng tim m\u1ea1ch. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do quy \u0111\u1ecbnh y\u00eau c\u1ea7u kh\u00e1m s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi c\u1ea5p ph\u00e1t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p cho ng\u01b0\u1eddi lao \u0111\u1ed9ng. H\u00e3y thi\u1ebft l\u1eadp nh\u1eefng kho\u1ea3ng ngh\u1ec9 ng\u1eafn t\u1ea1i n\u01a1i c\u00f3 kh\u00f4ng kh\u00ed trong l\u00e0nh \u0111\u1ec3 ph\u1ed1i c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c thanh l\u1ecdc v\u00e0 ph\u1ee5c h\u1ed3i n\u0103ng l\u1ef1c trao \u0111\u1ed5i kh\u00ed.<\/li>\r\n<\/ul>\r\n
Quy Tr\u00ecnh B\u1ea3o Qu\u1ea3n V\u00e0 L\u01b0u Kho Phin L\u1ecdc<\/strong><\/h3>\r\nB\u1ed1n vi\u1ec7c d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n v\u1eadn h\u00e0nh th\u01b0\u1eddng b\u1ecb b\u1ecf qua c\u1ee7a m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p<\/a> \u0111\u00e3 mua \u0111\u00fang.\r\n\r\nV\u1ec7 sinh sau m\u1ed7i ca l\u00e0m vi\u1ec7c:<\/strong> M\u1ed3 h\u00f4i, d\u1ea7u nh\u1eddn t\u1eeb da m\u1eb7t v\u00e0 b\u1ee5i b\u1ea9n b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng l\u00e0 t\u00e1c nh\u00e2n h\u00e0ng \u0111\u1ea7u l\u00e0m tho\u00e1i h\u00f3a ch\u1ea5t li\u1ec7u silicon ho\u1eb7c nh\u1ef1a d\u1ebbo. Sau m\u1ed7i ng\u00e0y l\u00e0m vi\u1ec7c, h\u00e3y s\u1eed d\u1ee5ng kh\u0103n \u1ea9m \u0111\u1ec3 ch\u00f9i nh\u1eb9 c\u00e1c b\u1ed9 ph\u1eadn. Tr\u00e1nh xa c\u00e1c lo\u1ea1i dung m\u00f4i t\u1ea9y r\u1eeda m\u1ea1nh v\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u00e0m gi\u00f2n v\u00e0 n\u1ee9t v\u1ee1 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb.\r\n\r\nK\u1ef9 thu\u1eadt b\u1ea3o l\u01b0u phin l\u1ecdc:<\/strong> Phin l\u1ecdc l\u00e0 b\u1ed9 ph\u1eadn “nh\u1ea1y c\u1ea3m” nh\u1ea5t c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen \u0111\u1ec3 nguy\u00ean phin l\u1ecdc tr\u00ean m\u1eb7t n\u1ea1 sau khi d\u00f9ng, \u0111i\u1ec1u n\u00e0y khi\u1ebfn phin l\u1ecdc ti\u1ebfp t\u1ee5c h\u00fat \u1ea9m v\u00e0 t\u1ea1p ch\u1ea5t t\u1eeb kh\u00f4ng kh\u00ed xung quanh, l\u00e0m hao tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. C\u00e1ch \u0111\u00fang nh\u1ea5t l\u00e0 th\u00e1o r\u1eddi phin l\u1ecdc, \u0111\u1eb7t v\u00e0o t\u00fai k\u00edn kh\u00ed (t\u00fai zip) ho\u1eb7c h\u1ed9p ch\u1ed1ng \u1ea9m \u0111\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i “ngh\u1ec9” ho\u00e0n to\u00e0n cho l\u1edbp than ho\u1ea1t t\u00ednh b\u00ean trong.\r\n\r\nKi\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef:<\/strong> Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh n\u1eafng s\u1ebd l\u00e0 k\u1ebb th\u00f9 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. Vi\u1ec7c \u0111\u1ec3 m\u1eb7t n\u1ea1 trong c\u1ed1p xe n\u00f3ng ho\u1eb7c d\u01b0\u1edbi \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp s\u1ebd khi\u1ebfn ph\u1ea7n gio\u0103ng \u00e1p s\u00e1t m\u1eb7t b\u1ecb bi\u1ebfn d\u1ea1ng, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1edf kh\u00ed khi s\u1eed d\u1ee5ng l\u1ea1i. H\u00e3y ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed kh\u00f4, tho\u00e1ng v\u00e0 s\u1ea1ch \u0111\u1ec3 c\u1ea5t gi\u1eef thi\u1ebft b\u1ecb.\r\n\r\nThanh tra thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3:<\/strong> H\u00e3y t\u1eadp th\u00f3i quen ki\u1ec3m tra t\u1ed5ng th\u1ec3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc m\u1ed7i l\u1ea7n \u0111eo. \u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a d\u00e2y \u0111eo, \u0111\u1ed9 m\u1ec1m m\u1ea1i c\u1ee7a van th\u1edf v\u00e0 s\u1ef1 nguy\u00ean v\u1eb9n c\u1ee7a ph\u1ea7n \u0111\u1ec7m ti\u1ebfp x\u00fac.\r\n\r\nSau c\u00f9ng, vi\u1ec7c tu\u00e2n th\u1ee7 tuy\u1ec7t \u0111\u1ed1i c\u00e1c ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 g\u00e1nh n\u1eb7ng, m\u00e0 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng minh nh\u1ea5t \u0111\u1ec3 b\u1ea1n l\u00e0m ch\u1ee7 thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 s\u1ef1 s\u1ed1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.","protected":false},"excerpt":{"rendered":"
Nh\u1ecbp s\u1ed1ng c\u00f4ng nghi\u1ec7p khi\u1ebfn h\u01a1i th\u1edf v\u1ed1n l\u00e0 b\u1ea3n n\u0103ng sinh t\u1ed3n c\u01a1 b\u1ea3n v\u00f4 t\u00ecnh tr\u1edf th\u00e0nh con \u0111\u01b0\u1eddng \u0111\u01b0a kh\u00f3i b\u1ee5i v\u00e0 kh\u00ed \u0111\u1ed9c x\u00e2m nh\u1eadp c\u01a1 th\u1ec3. Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u1ee7 quan v\u00ec ch\u01b0a th\u1ea5y \u0111au \u0111\u1edbn t\u1ee9c th\u00ec, trong khi c\u00e1c t\u00e1c nh\u00e2n nguy h\u1ea1i th\u1ea9m th\u1ea5u \u00e2m th\u1ea7m nh\u01b0…<\/p>\n","protected":false},"author":761,"featured_media":76630,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5382,6351,1],"tags":[7282,7280,7281],"class_list":["post-76625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-dap-su-kien","category-review-san-pham","category-tin-tuc","tag-bao-ho-ho-hap-bao-ve-toi-uu","tag-mat-na-phong-doc-3m-chuyen-dung","tag-mat-na-phong-doc-3m-chuyen-dung-chat-luong"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=76625"}],"version-history":[{"count":60,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions"}],"predecessor-version":[{"id":92645,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/76625\/revisions\/92645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/76630"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=76625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=76625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=76625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- Thi\u1ebft b\u1ecb c\u1ea5p theo t\u1eebng ng\u01b0\u1eddi:<\/strong> Chi\u1ebfc m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i gi\u00e0y \u0111\u00f3ng ri\u00eang theo c\u1ee1 b\u00e0n ch\u00e2n, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf \u0111\u1ed9 \u00f4m kh\u00edt. Vi\u1ec7c d\u00f9ng chung thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u1ec7 sinh d\u1ecbch t\u1ec5 m\u00e0 c\u00f2n tri\u1ec7t ti\u00eau kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, b\u1edfi m\u1ed7i c\u1ea5u tr\u00fac x\u01b0\u01a1ng m\u1eb7t s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m ti\u1ebfp x\u00fac kh\u00e1c.<\/li>\r\n \t
- Phin l\u1ecdc h\u01a1i h\u1eefu c\u01a1:<\/b> Ch\u1ee9a than ho\u1ea1t t\u00ednh \u0111\u00e3 qua x\u1eed l\u00fd \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ph\u00e2n t\u1eed m\u00f9i t\u1eeb s\u01a1n, dung m\u00f4i, x\u0103ng d\u1ea7u.<\/li>\r\n \t
- Gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0:<\/b> M\u1eb7c d\u00f9 m\u1ee9c gi\u00e1 c\u1ee7a d\u00f2ng nguy\u00ean m\u1eb7t th\u01b0\u1eddng cao h\u01a1n so v\u1edbi d\u00f2ng n\u1eeda m\u1eb7t, nh\u01b0ng gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 s\u1ee9c kh\u1ecfe m\u00e0 M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng mang l\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 \u0111ong \u0111\u1ebfm. N\u00f3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecfng ho\u00e1 ch\u1ea5t v\u00f9ng m\u1eb7t v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u1eaft do h\u01a1i k\u00edch \u1ee9ng.<\/li>\r\n<\/ul>\r\n
- M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng:<\/b> T\u1ed1i \u01b0u c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i \u1edf m\u1ee9c trung b\u00ecnh nh\u01b0: phun s\u01a1n PU, ngh\u1ec1 m\u1ed9c (ch\u1ed1ng b\u1ee5i g\u1ed7 v\u00e0 m\u00f9i h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t), ho\u1eb7c c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nhi\u1ec1u b\u1ee5i b\u1eb7m. T\u00ednh th\u00edch \u1ee9ng n\u00e0y c\u1ee7a m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng d\u1ec5 k\u1ebft h\u1ee3p th\u00eam v\u1edbi k\u00ednh b\u1ea3o h\u1ed9 ho\u1eb7c m\u0169 b\u1ea3o hi\u1ec3m m\u00e0 kh\u00f4ng g\u00e2y v\u01b0\u1edbng v\u00edu.<\/li>\r\n<\/ul>\r\n
- M\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c:<\/strong> Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u t\u1ef1 gi\u00e1c trang b\u1ecb m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u00e2m v\u00e0 b\u1ec1n v\u1eefng v\u00e0 t\u00f4n tr\u1ecdng s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/li>\r\n<\/ul>\r\n
- T\u1ed1i \u01b0u chi ph\u00ed:<\/strong> B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 thay th\u1ebf phin l\u1ecdc theo \u0111\u1ecbnh k\u1ef3 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m th\u1ef1c t\u1ebf, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch b\u1ea3o h\u1ed9.<\/li>\r\n<\/ul>\r\n\r\n
- L\u01b0u th\u00f4ng kh\u00ed t\u1ed1i \u01b0u:<\/strong> C\u00e1c van th\u1edf \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ee9c c\u1ea3n khi h\u00edt v\u00e0o v\u00e0 th\u1edf ra, duy tr\u00ec s\u1ef1 th\u00f4ng tho\u00e1ng. Ch\u00ednh d\u1ec5 ch\u1ecbu n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi lao \u0111\u1ed9ng duy tr\u00ec th\u00f3i quen \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ef1 nguy\u1ec7n.<\/li>\r\n<\/ul>\r\n\r\n\r\nM\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i ti\u1ebft ki\u1ec7m h\u01a1n b\u1ea1n t\u01b0\u1edfng.\r\n
- Phin l\u1ecdc t\u00f9y bi\u1ebfn:<\/strong> H\u1ec7 th\u1ed1ng phin l\u1ecdc c\u00f3 th\u1ec3 thay th\u1ebf d\u1ec5 d\u00e0ng gi\u00fap b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u1eeb l\u1ecdc b\u1ee5i m\u1ecbn trong x\u00e2y d\u1ef1ng s\u00e0ng l\u1ecdc h\u01a1i s\u01a1n h\u1eefu c\u01a1 hay kh\u00ed axit trong ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 trong v\u00e0i gi\u00e2y. S\u1ef1 linh ho\u1ea1t n\u00e0y bi\u1ebfn m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/li>\r\n<\/ul>\r\n
- B\u1ea3o v\u1ec7 n\u0103ng l\u1ef1c lao \u0111\u1ed9ng:<\/strong> Thay v\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tr\u1ecb t\u1ed1n k\u00e9m v\u00e0 m\u1ec7t m\u1ecfi trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng h\u00f4m nay gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1ed5n h\u01a1n v\u00e0 cu\u1ed9c s\u1ed1ng l\u00e0nh m\u1ea1nh \u0111\u1ebfn khi v\u1ec1 h\u01b0u.<\/li>\r\n<\/ul>\r\n\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3, v\u00e0 m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng hi\u1ec3u r\u00f5 \u0111i\u1ec1u \u0111\u00f3.\r\n
- K\u1ef9 thu\u1eadt van th\u1edf:<\/strong> H\u1ec7 th\u1ed1ng van th\u1edf m\u1ed9t chi\u1ec1u th\u00f4ng minh \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed ch\u1ec9 \u0111i v\u00e0o qua phin l\u1ecdc v\u00e0 tho\u00e1t ra qua van x\u1ea3, gi\u1eef cho kh\u00ed b\u1ea9n kh\u00f3 lu\u1ed3n qua khe h\u1edf h\u01a1n h\u1eb3n kh\u1ea9u trang th\u01b0\u1eddng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 hi\u1ec7u su\u1ea5t b\u1ea3o h\u1ed9 n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao ng\u01b0\u1eddi \u0111eo m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c 3M chuy\u00ean d\u1ee5ng lu\u00f4n c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi \u0111\u1ee9ng gi\u1eefa t\u00e2m \u0111i\u1ec3m c\u1ee7a kh\u00f3i b\u1ee5i hay h\u00f3a ch\u1ea5t n\u1ed3ng n\u1eb7c.<\/li>\r\n<\/ul>\r\n
- K\u1ebft qu\u1ea3:<\/strong> Lu\u1ed3ng kh\u00ed khi \u0111i v\u00e0o ph\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c thanh l\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, gi\u00fap c\u01a1 quan h\u00f4 h\u1ea5p tr\u00e1nh kh\u1ecfi s\u1ef1 t\u00edch t\u1ee5 \u0111\u1ed9c t\u1ed1 theo th\u1eddi gian. L\u00e0 c\u00e1c d\u1ea1ng kh\u1ea9u trang b\u1eb1ng lo\u1ea1i v\u1ea3i hay kh\u1ea9u trang d\u1ea1ng y t\u1ebf ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n do c\u1ea5u t\u1ea1o m\u00e0ng l\u1ecdc qu\u00e1 th\u00f4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\u0110i\u1ec3m b\u1ecb y\u1ebfu c\u1ee7a kh\u1ea9u trang th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ed9 h\u1edf l\u1edbn \u1edf v\u00f9ng s\u1ed1ng m\u0169i v\u00e0 hai b\u00ean m\u00e1.\r\n
- H\u1ea5p ph\u1ee5 kh\u00ed \u0111\u1ed9c v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t mang t\u00ednh s\u1ed1ng c\u00f2n c\u1ee7a M\u1eb7t N\u1ea1 Ph\u00f2ng \u0110\u1ed9c 3M chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00f4ng c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd h\u1eefu h\u00ecnh \u0111\u1ec3 b\u1ecb “ch\u1eb7n” l\u1ea1i. Thay v\u00e0o \u0111\u00f3, m\u1eb7t n\u1ea1 s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t than ho\u1ea1t t\u00ednh. L\u00fac m\u00e0 c\u00e1c ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c \u0111i qua, ch\u00fang b\u1ecb h\u00fat v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf th\u00f4ng qua l\u1ef1c h\u00fat ph\u00e2n t\u1eed ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp. C\u1ea7n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t ph\u00e9p n\u00e0y: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed kh\u00ed \u0111\u1ed9c l\u1ea1i trong l\u1edbp v\u1eadt li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u00e1 hu\u1ef7 hay trung ho\u00e0 ch\u00fang, v\u00e0 s\u1ee9c ch\u1ee9a \u0111\u00f3 l\u00e0 h\u1eefu h\u1ea1n. Khi l\u1edbp than \u0111\u00e3 no, kh\u00ed \u0111\u1ed9c \u0111i th\u1eb3ng qua m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u b\u00e1o n\u00e0o. Phin l\u1ecdc c\u0169ng ch\u1ec9 x\u1eed l\u00fd \u0111\u00fang nh\u00f3m ch\u1ea5t m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1eed, v\u00e0 n\u00f3 kh\u00f4ng sinh ra \u00f4xy.<\/li>\r\n \t