![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2015\/11\/mat-na-han-cam-tay.jpg\" "\\"\\"")
<\/p>\n\n\n\nM\u1eb7t n\u1ea1 h\u00e0n l\u00e0 ph\u1ea7n khung che, c\u00f2n t\u1ea5m l\u1ecdc m\u1edbi l\u00e0 ph\u1ea7n l\u00e0m vi\u1ec7c v\u1edbi \u00e1nh s\u00e1ng. Hai th\u1ee9 n\u00e0y hay b\u1ecb g\u1ecdi chung m\u1ed9t t\u00ean n\u00ean khi mua d\u1ec5 ch\u1ecdn thi\u1ebfu. B\u00e0i n\u00e0y t\u1eadp trung v\u00e0o ph\u1ea7n khung: n\u00f3 che \u0111\u01b0\u1ee3c t\u1edbi \u0111\u00e2u tr\u00ean khu\u00f4n m\u1eb7t, ba ki\u1ec3u \u0111eo kh\u00e1c nhau ra sao, v\u00e0 v\u00ec sao ph\u1ea7n kh\u00f3i h\u00e0n l\u1ea1i l\u00e0 vi\u1ec7c m\u1eb7t n\u1ea1 kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Ph\u1ea1m vi che ph\u1ee7 l\u00e0 \u0111i\u1ec3m ph\u00e2n bi\u1ec7t r\u00f5 nh\u1ea5t gi\u1eefa m\u1eb7t n\u1ea1 h\u00e0n v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 th\u00f4ng th\u01b0\u1eddng. M\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 \u0111\u1ea1t y\u00eau c\u1ea7u ph\u1ea3i ch\u1eafn t\u1eeb ch\u00e2n t\u00f3c xu\u1ed1ng h\u1ebft c\u1eb1m, \u0103n r\u1ed9ng qua hai b\u00ean th\u00e1i d\u01b0\u01a1ng v\u00e0 c\u00f3 v\u1ea1t d\u01b0\u1edbi \u0111\u1ee7 s\u00e2u \u0111\u1ec3 c\u1ed5 kh\u00f4ng h\u1edf khi th\u1ee3 c\u00fai xu\u1ed1ng nh\u00ecn v\u0169ng h\u00e0n.<\/p>\n\n\n\n
Vi\u1ec7c n\u00e0y quan tr\u1ecdng v\u00ec c\u1ef1c t\u00edm t\u1eeb h\u1ed3 quang g\u00e2y b\u1ecfng da gi\u1ed1ng nh\u01b0 ch\u00e1y n\u1eafng, ch\u1ec9 nhanh h\u01a1n r\u1ea5t nhi\u1ec1u. Th\u1ee3 h\u00e0n l\u00e2u n\u0103m th\u01b0\u1eddng c\u00f3 v\u1ec7t s\u1eabm m\u00e0u ch\u1ea1y d\u1ecdc c\u1ed5 v\u00e0 ph\u1ea7n ng\u1ef1c tr\u00ean \u2014 \u0111\u00f3 ch\u00ednh l\u00e0 v\u00f9ng m\u1eb7t n\u1ea1 kh\u00f4ng v\u1edbi t\u1edbi. Ngo\u00e0i b\u1ee9c x\u1ea1, ph\u1ea7n v\u1ea1t d\u01b0\u1edbi c\u00f2n ch\u1eb7n x\u1ec9 n\u00f3ng b\u1eafn ng\u01b0\u1ee3c v\u00e0o trong c\u1ed5 \u00e1o.<\/p>\n\n\n\n
Ph\u1ea7n khung m\u1eb7t n\u1ea1 h\u00e0n ch\u1ebf t\u1ea1o theo EN 175, l\u00e0 ti\u00eau chu\u1ea9n ri\u00eang cho thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 m\u1eaft v\u00e0 m\u1eb7t d\u00f9ng trong h\u00e0n c\u1eaft. T\u1ea5m l\u1ecdc l\u1eafp b\u00ean trong l\u1ea1i theo m\u1ed9t chu\u1ea9n kh\u00e1c: EN 169 cho lo\u1ea1i c\u1ed1 \u0111\u1ecbnh, EN 379 cho lo\u1ea1i t\u1ef1 \u0111\u1ed5i m\u00e0u. Khung t\u1ed1t m\u00e0 t\u1ea5m l\u1ecdc kh\u00f4ng \u0111\u1ea1t th\u00ec b\u1ed9 \u0111\u00f3 v\u1eabn kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
<\/p>\n\n\n\n
Ba ki\u1ec3u n\u00e0y kh\u00f4ng ph\u1ea3i ba m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 l\u00e0 ba t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n
C\u00f3 m\u1ed9t bi\u1ebfn th\u1ec3 n\u1eefa l\u00e0 lo\u1ea1i tr\u00f9m \u0111\u1ea7u, ph\u1ee7 c\u1ea3 g\u00e1y v\u00e0 ph\u1ea7n tr\u00ean vai. Ki\u1ec3u n\u00e0y d\u00e0nh cho vi\u1ec7c h\u00e0n \u1edf t\u01b0 th\u1ebf ng\u1eeda ho\u1eb7c h\u00e0n trong kh\u00f4ng gian kh\u00e9p, n\u01a1i x\u1ec9 c\u00f3 th\u1ec3 r\u01a1i t\u1eeb tr\u00ean xu\u1ed1ng. \u0110\u1ed5i l\u1ea1i, n\u00f3 n\u00f3ng h\u01a1n h\u1eb3n v\u00e0 ph\u1ea3i c\u00e2n nh\u1eafc trong x\u01b0\u1edfng kh\u00f4ng \u0111i\u1ec1u h\u00f2a.<\/p>\n\n\n\n
Chi ti\u1ebft n\u00ean ki\u1ec3m tra tr\u01b0\u1edbc khi ch\u1ed1t \u0111\u01a1n l\u00e0 b\u1ea3n l\u1ec1 l\u1eadt. B\u1ea3n l\u1ec1 l\u1ecfng l\u00e0m m\u1eb7t n\u1ea1 t\u1ef1 r\u01a1i xu\u1ed1ng gi\u1eefa ch\u1eebng ho\u1eb7c kh\u00f4ng ch\u1ecbu \u0111\u1ee9ng y\u00ean khi h\u1ea5t l\u00ean, v\u00e0 \u0111\u00e2y l\u00e0 b\u1ed9 ph\u1eadn h\u1ecfng s\u1edbm nh\u1ea5t tr\u00ean m\u1ed9t chi\u1ebfc m\u1eb7t n\u1ea1 \u0111\u1ed9i \u0111\u1ea7u.<\/p>\n\n\n\n
\u0110\u00e2y l\u00e0 hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u0169ng nguy hi\u1ec3m nh\u1ea5t. M\u1eb7t n\u1ea1 h\u00e0n kh\u00f4ng ph\u1ea3i thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p. N\u00f3 kh\u00f4ng c\u00f3 ph\u1ea7n l\u1ecdc, kh\u00f4ng \u00f4m k\u00edn quanh m\u0169i mi\u1ec7ng, v\u00e0 kh\u00f4ng h\u1ec1 t\u1ea1o \u00e1p su\u1ea5t d\u01b0\u01a1ng b\u00ean trong. Kh\u00f3i h\u00e0n b\u1ed1c l\u00ean t\u1eeb v\u0169ng h\u00e0n \u0111i th\u1eb3ng v\u00e0o kho\u1ea3ng h\u1edf gi\u1eefa m\u1eb7t v\u00e0 t\u1ea5m che, r\u1ed3i v\u00e0o \u0111\u01b0\u1eddng th\u1edf.<\/p>\n\n\n\n
Th\u00e0nh ph\u1ea7n kh\u00f3i h\u00e0n thay \u0111\u1ed5i theo v\u1eadt li\u1ec7u v\u00e0 que h\u00e0n. Khi h\u00e0n th\u00e9p kh\u00f4ng g\u1ec9, kh\u00f3i c\u00f3 th\u1ec3 ch\u1ee9a crom ho\u00e1 tr\u1ecb s\u00e1u \u2014 ch\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m t\u00e1c nh\u00e2n g\u00e2y ung th\u01b0 ngh\u1ec1 nghi\u1ec7p. H\u00e0n th\u00e9p m\u1ea1 k\u1ebdm sinh ra kh\u00f3i k\u1ebdm oxit, g\u00e2y c\u01a1n s\u1ed1t kim lo\u1ea1i v\u1edbi tri\u1ec7u ch\u1ee9ng gi\u1ed1ng c\u00fam v\u00e0i gi\u1edd sau ca l\u00e0m. C\u00e1c nguy c\u01a1 n\u00e0y \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong t\u00e0i li\u1ec7u v\u1ec1 m\u1ed1i nguy trong h\u00e0n c\u1eaft c\u1ee7a OSHA<\/a>.<\/p>\n\n\n\n C\u00e1ch x\u1eed l\u00fd \u0111\u00fang \u0111i theo th\u1ee9 t\u1ef1 \u01b0u ti\u00ean. Tr\u01b0\u1edbc h\u1ebft l\u00e0 h\u00fat kh\u00f3i ngay t\u1ea1i ngu\u1ed3n b\u1eb1ng chao h\u00fat \u0111\u1eb7t c\u00e1ch m\u1ed1i h\u00e0n m\u1ed9t \u0111o\u1ea1n ng\u1eafn. Ti\u1ebfp \u0111\u00f3 m\u1edbi t\u00ednh \u0111\u1ebfn ph\u01b0\u01a1ng ti\u1ec7n \u0111eo tr\u00ean ng\u01b0\u1eddi. Nh\u00f3m thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p<\/a> c\u00f3 lo\u1ea1i l\u1ecdc b\u1ee5i \u0111eo b\u00ean trong m\u1eb7t n\u1ea1 h\u00e0n, v\u00e0 lo\u1ea1i c\u1ea5p kh\u00ed c\u01b0\u1ee1ng b\u1ee9c t\u00edch h\u1ee3p s\u1eb5n trong m\u0169 tr\u00f9m \u0111\u1ea7u.<\/p>\n\n\n\n Khi h\u00e0n trong b\u1ec3, h\u1ea7m ho\u1eb7c bu\u1ed3ng k\u00edn, b\u00e0i to\u00e1n \u0111\u1ed5i h\u1eb3n t\u00ednh ch\u1ea5t v\u00ec kh\u00ed b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 chi\u1ebfm ch\u1ed7 kh\u00f4ng kh\u00ed. Nh\u1eefng v\u1ecb tr\u00ed n\u00e0y c\u1ea7n \u0111o kh\u00ed tr\u01b0\u1edbc khi v\u00e0o v\u00e0 c\u00f3 ph\u01b0\u01a1ng \u00e1n m\u1eb7t n\u1ea1 l\u1ecdc kh\u00ed \u0111\u1ed9c<\/a> ph\u00f9 h\u1ee3p, kh\u00f4ng th\u1ec3 tr\u00f4ng ch\u1edd v\u00e0o chi\u1ebfc m\u1eb7t n\u1ea1 che m\u1eb7t.<\/p>\n\n\n\n C\u00e1ch ch\u1ecdn nhanh nh\u1ea5t l\u00e0 b\u1eaft \u0111\u1ea7u t\u1eeb t\u01b0 th\u1ebf th\u1ee3 ph\u1ea3i gi\u1eef trong ph\u1ea7n l\u1edbn ca l\u00e0m, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb danh m\u1ee5c t\u00ednh n\u0103ng.<\/p>\n\n\n\n M\u1ed9t l\u01b0u \u00fd v\u1ec1 k\u00edch c\u1ee1: v\u00e0nh \u0111ai \u0111\u1ea7u ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c c\u1ea3 chu vi l\u1eabn \u0111\u1ed9 cao \u0111\u1ec9nh \u0111\u1ea7u. N\u1ebfu ch\u1ec9 ch\u1ec9nh \u0111\u01b0\u1ee3c chu vi, m\u1eb7t n\u1ea1 s\u1ebd \u0111\u1ed5 v\u1ec1 tr\u01b0\u1edbc ho\u1eb7c \u0111\u1ea9y ng\u01b0\u1ee3c ra sau khi th\u1ee3 c\u00fai. Cho m\u01b0\u1ee3n th\u1eed m\u1ed9t chi\u1ebfc trong n\u1eeda ng\u00e0y tr\u01b0\u1edbc khi \u0111\u1eb7t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn l\u00e0 c\u00e1ch tr\u00e1nh mua nh\u1ea7m r\u1ebb nh\u1ea5t.<\/p>\n\n\n\n V\u1ecf m\u1eb7t n\u1ea1 h\u00e0n th\u01b0\u1eddng \u00e9p t\u1eeb nh\u1ef1a k\u1ef9 thu\u1eadt nh\u01b0 polypropylene ho\u1eb7c nylon gia c\u01b0\u1eddng, m\u1ed9t s\u1ed1 lo\u1ea1i c\u0169 h\u01a1n d\u00f9ng v\u1ea3i \u00e9p nh\u1ef1a nhi\u1ec7t r\u1eafn. \u0110i\u1ec1u c\u1ea7n \u1edf \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu \u0111\u01b0\u1ee3c bao nhi\u00eau \u0111\u1ed9, m\u00e0 l\u00e0 v\u1ecf kh\u00f4ng b\u1eaft l\u1eeda khi x\u1ec9 n\u00f3ng r\u01a1i tr\u00fang v\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng khi \u0111\u1ec3 g\u1ea7n ph\u00f4i c\u00f2n \u0111\u1ecf.<\/p>\n\n\n\n Con s\u1ed1 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ee9ng m\u1ed9t m\u00ecnh tr\u00ean t\u1edd r\u01a1i qu\u1ea3ng c\u00e1o kh\u00f4ng n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec. M\u1ed9t con s\u1ed1 c\u00f3 ngh\u0129a ph\u1ea3i \u0111i k\u00e8m th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed. N\u1ebfu ng\u01b0\u1eddi b\u00e1n kh\u00f4ng \u0111\u01b0a \u0111\u01b0\u1ee3c th\u00f4ng tin \u0111\u00f3, t\u1ed1t nh\u1ea5t l\u00e0 b\u1ecf qua ch\u1ec9 ti\u00eau \u1ea5y v\u00e0 xem c\u00e1c d\u1ea5u hi\u1ec7u kh\u00e1c: \u0111\u01b0\u1eddng vi\u1ec1n s\u1eafc n\u00e9t, kh\u00f4ng ba via, kh\u00f4ng c\u00f3 v\u1ebft ch\u00e1y nh\u1ef1a \u1edf m\u00e9p.<\/p>\n\n\n\n V\u1ecf b\u1ecb r\u1ea1n l\u00e0 l\u00fd do lo\u1ea1i b\u1ecf, k\u1ec3 c\u1ea3 khi t\u1ea5m l\u1ecdc b\u00ean trong v\u1eabn t\u1ed1t. V\u1ebft r\u1ea1n cho \u00e1nh s\u00e1ng h\u1ed3 quang l\u1ecdt v\u00e0o t\u1eeb b\u00ean h\u00f4ng \u2014 h\u01b0\u1edbng m\u00e0 th\u1ee3 kh\u00f4ng nh\u00ecn th\u1ea5y v\u00e0 kh\u00f4ng k\u1ecbp ph\u1ea3n \u1ee9ng. Ph\u1ea7n v\u1eadn h\u00e0nh h\u1eb1ng ng\u00e0y nh\u01b0 v\u1ec7 sinh k\u00ednh l\u1ecdc, thay t\u1ea5m ch\u1eafn v\u00e0 c\u1ea5t gi\u1eef \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn ri\u00eang trong danh m\u1ee5c m\u1eb7t n\u1ea1 h\u00e0n<\/a>.<\/p>\n\n\n\n M\u1ed9t v\u1ecb tr\u00ed h\u00e0n \u0111\u1ee7 trang b\u1ecb l\u00e0 m\u1ed9t chu\u1ed7i kh\u00e9p k\u00edn, kh\u00f4ng h\u1edf \u0111i\u1ec3m n\u00e0o gi\u1eefa hai m\u00f3n. Kho\u1ea3ng h\u1edf nguy hi\u1ec3m nh\u1ea5t n\u1eb1m \u1edf c\u1ed5 tay, gi\u1eefa \u1ed1ng tay \u00e1o v\u00e0 c\u1ed5 g\u0103ng, v\u00e0 \u1edf c\u1ed5 \u00e1o khi th\u1ee3 c\u00fai xu\u1ed1ng.<\/p>\n\n\n\n \u1ede c\u00f4ng tr\u01b0\u1eddng, ph\u1ea7n \u0111\u1ea7u c\u1ea7n m\u0169 b\u1ea3o h\u1ed9 c\u1ee9ng<\/a> l\u00e0m n\u1ec1n \u0111\u1ec3 g\u1eafn m\u1eb7t n\u1ea1, v\u1eeba ch\u1ed1ng v\u1eadt r\u01a1i v\u1eeba gi\u1eef m\u1eb7t n\u1ea1 \u0111\u00fang v\u1ecb tr\u00ed. Ph\u1ea7n th\u00e2n c\u1ea7n trang ph\u1ee5c ch\u1ed1ng ch\u00e1y<\/a> v\u1edbi \u1ed1ng tay d\u00e0i v\u00e0 t\u00fai kh\u00f4ng n\u1eafp h\u01b0\u1edbng l\u00ean tr\u00ean, v\u00ec t\u00fai h\u1edf mi\u1ec7ng l\u00e0 n\u01a1i x\u1ec9 n\u00f3ng r\u01a1i v\u00e0o.<\/p>\n\n\n\n Gi\u00e0y c\u0169ng thu\u1ed9c chu\u1ed7i n\u00e0y. Gi\u00e0y bu\u1ed9c d\u00e2y c\u00f3 l\u01b0\u1ee1i g\u00e0 h\u1edf d\u1ec5 h\u1ee9ng x\u1ec9, n\u00ean v\u1ecb tr\u00ed h\u00e0n th\u01b0\u1eddng d\u00f9ng gi\u00e0y c\u00f3 n\u1eafp ch\u1eafn ho\u1eb7c \u1ee7ng cao c\u1ed5, k\u00e8m b\u1ecd \u1ed1ng ch\u00e2n b\u1eb1ng da tr\u00f9m ra ngo\u00e0i mi\u1ec7ng gi\u00e0y. \u0110\u00e2y l\u00e0 chi ti\u1ebft nh\u1ecf nh\u01b0ng gi\u1ea3m h\u1eb3n s\u1ed1 v\u1ee5 b\u1ecfng b\u00e0n ch\u00e2n trong x\u01b0\u1edfng.<\/p>\n\n\n\n Th\u1ee9 t\u1ef1 m\u1eb7c c\u0169ng n\u1eb1m trong chu\u1ed7i n\u00e0y. \u1ed0ng qu\u1ea7n ph\u1ea3i tr\u00f9m ra ngo\u00e0i mi\u1ec7ng gi\u00e0y ch\u1ee9 kh\u00f4ng nh\u00e9t v\u00e0o trong, v\u00ec nh\u00e9t v\u00e0o l\u00e0 bi\u1ebfn \u1ed1ng gi\u00e0y th\u00e0nh c\u00e1i ph\u1ec5u h\u1ee9ng x\u1ec9. T\u01b0\u01a1ng t\u1ef1, c\u1ed5 g\u0103ng lu\u1ed3n ra ngo\u00e0i \u1ed1ng tay \u00e1o khi h\u00e0n \u1edf t\u01b0 th\u1ebf ngang t\u1ea7m ng\u1ef1c, v\u00e0 lu\u1ed3n v\u00e0o trong khi h\u00e0n ng\u1eeda. Th\u1ee3 l\u00e2u n\u0103m l\u00e0m vi\u1ec7c n\u00e0y theo ph\u1ea3n x\u1ea1, nh\u01b0ng ng\u01b0\u1eddi m\u1edbi th\u00ec c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 r\u00f5.<\/p>\n\n\n\n Ph\u1ea7n t\u00f3c v\u00e0 c\u1ed5 \u00e1o c\u0169ng n\u1eb1m trong chu\u1ed7i che ch\u1eafn \u0111\u00f3. T\u00f3c d\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c b\u00fai g\u1ecdn d\u01b0\u1edbi m\u0169 v\u1ea3i ho\u1eb7c m\u0169 tr\u00f9m ch\u1ed1ng ch\u00e1y, kh\u00f4ng \u0111\u1ec3 l\u1ed9 ra ngo\u00e0i v\u00e0nh m\u1eb7t n\u1ea1. C\u1ed5 \u00e1o c\u00e0i k\u00edn thay v\u00ec m\u1edf phanh cho m\u00e1t, v\u00ec kho\u1ea3ng h\u1edf \u1edf c\u1ed5 n\u1eb1m \u0111\u00fang h\u01b0\u1edbng x\u1ec9 b\u1eafn l\u00ean khi th\u1ee3 c\u00fai xu\u1ed1ng nh\u00ecn v\u0169ng h\u00e0n.<\/p>\n\n\n\n Ba th\u1ee9 c\u00f9ng \u0111eo tr\u00ean m\u1ed9t khu\u00f4n m\u1eb7t lu\u00f4n tranh ch\u1ed7 v\u1edbi nhau. N\u1ebfu kh\u00f4ng x\u1eed l\u00fd ph\u1ea7n n\u00e0y, th\u1ee3 s\u1ebd t\u1ef1 b\u1ecf b\u1edbt m\u1ed9t m\u00f3n cho d\u1ec5 ch\u1ecbu, v\u00e0 m\u00f3n b\u1ecb b\u1ecf g\u1ea7n nh\u01b0 lu\u00f4n l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc b\u1ee5i, v\u00ec \u0111\u00f3 l\u00e0 m\u00f3n duy nh\u1ea5t kh\u00f4ng g\u00e2y kh\u00f3 ch\u1ecbu ngay l\u1eadp t\u1ee9c khi thi\u1ebfu.<\/p>\n\n\n\n V\u1edbi ng\u01b0\u1eddi \u0111eo k\u00ednh c\u1eadn, \u0111i\u1ec3m c\u1ea7n \u0111o l\u00e0 chi\u1ec1u s\u00e2u khoang trong c\u1ee7a m\u1eb7t n\u1ea1. G\u1ecdng m\u1ea3nh th\u01b0\u1eddng l\u1ecdt v\u1eeba, nh\u01b0ng g\u1ecdng to b\u1ea3n ho\u1eb7c g\u1ecdng d\u00e0y s\u1ebd ch\u1ea1m v\u00e0o m\u1eb7t trong t\u1ea5m l\u1ecdc m\u1ed7i khi th\u1ee3 c\u00fai xu\u1ed1ng. C\u00e1ch x\u1eed l\u00fd \u0111\u00fang l\u00e0 ch\u1ecdn m\u1eb7t n\u1ea1 c\u00f3 khoang s\u00e2u h\u01a1n, ho\u1eb7c d\u00f9ng g\u1ecdng b\u1ea3o h\u1ed9 l\u1eafp tr\u00f2ng theo \u0111\u1ed9 r\u1ed3i \u0111eo b\u00ean trong. Kh\u00f4ng m\u00e0i g\u1ecdng k\u00ednh cho v\u1eeba, v\u00ec l\u00e0m v\u1eady l\u00e0 ph\u00e1 k\u1ebft c\u1ea5u g\u1ecdng.<\/p>\n\n\n\n M\u1ed9t l\u01b0u \u00fd v\u1ec1 v\u1eadt li\u1ec7u tr\u00f2ng: \u1edf v\u1ecb tr\u00ed v\u1eeba h\u00e0n v\u1eeba m\u00e0i, kh\u00f4ng n\u00ean \u0111eo k\u00ednh c\u1eadn tr\u00f2ng thu\u1ef7 tinh d\u01b0\u1edbi m\u1eb7t n\u1ea1. Thu\u1ef7 tinh v\u1ee1 th\u00e0nh m\u1ea3nh s\u1eafc khi b\u1ecb m\u1ea1t kim lo\u1ea1i b\u1eafn tr\u00fang. Tr\u00f2ng nh\u1ef1a l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n h\u1eb3n trong m\u00f4i tr\u01b0\u1eddng n\u00e0y.<\/p>\n\n\n\n V\u1edbi ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc b\u1ee5i d\u1ea1ng \u00fap m\u1eb7t, v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf thanh n\u1eb9p m\u0169i. Khi \u0111eo d\u01b0\u1edbi m\u1eb7t n\u1ea1 h\u00e0n, ph\u1ea7n v\u1ea1t d\u01b0\u1edbi c\u1ee7a m\u1eb7t n\u1ea1 hay t\u00ec l\u00ean n\u1eb9p m\u0169i v\u00e0 l\u00e0m b\u1eadt m\u00e9p l\u1ecdc ra kh\u1ecfi da. Ph\u00e9p th\u1eed nhanh: \u0111eo \u0111\u1ee7 c\u1ea3 b\u1ed9, b\u1ecbt m\u1eb7t ngo\u00e0i ph\u1ea7n l\u1ecdc b\u1eb1ng l\u00f2ng b\u00e0n tay r\u1ed3i h\u00edt nh\u1eb9. N\u1ebfu th\u1ea5y kh\u00ed l\u1ecdt v\u00e0o t\u1eeb m\u00e9p th\u00ec b\u1ed9 \u0111\u00f3 ch\u01b0a k\u00edn, v\u00e0 m\u1ecdi con s\u1ed1 hi\u1ec7u su\u1ea5t l\u1ecdc ghi tr\u00ean bao b\u00ec \u0111\u1ec1u kh\u00f4ng c\u00f2n \u00fd ngh\u0129a.<\/p>\n\n\n\n R\u00e2u quai n\u00f3n l\u00e0 y\u1ebfu t\u1ed1 ph\u00e1 v\u1ee1 \u0111\u1ed9 k\u00edn m\u00e0 kh\u00f4ng c\u00f3 m\u1eb9o n\u00e0o kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c. R\u00e2u m\u1ecdc ngay v\u00f9ng vi\u1ec1n ti\u1ebfp x\u00fac khi\u1ebfn m\u00e9p l\u1ecdc kh\u00f4ng th\u1ec3 \u00e1p s\u00e1t da. Ch\u1ec9 c\u00f3 hai h\u01b0\u1edbng gi\u1ea3i quy\u1ebft th\u1eadt: c\u1ea1o s\u1ea1ch v\u00f9ng vi\u1ec1n, ho\u1eb7c chuy\u1ec3n sang lo\u1ea1i tr\u00f9m \u0111\u1ea7u c\u1ea5p kh\u00ed c\u01b0\u1ee1ng b\u1ee9c, lo\u1ea1i kh\u00f4ng c\u1ea7n b\u1ecbt k\u00edn quanh m\u1eb7t.<\/p>\n\n\n\n V\u1edbi ng\u01b0\u1eddi ph\u1ea3i mang \u0111\u1ee7 c\u1ea3 ba th\u1ee9 trong su\u1ed1t ca, ph\u01b0\u01a1ng \u00e1n g\u1ecdn nh\u1ea5t l\u00e0 m\u0169 tr\u00f9m c\u1ea5p kh\u00ed c\u01b0\u1ee1ng b\u1ee9c c\u00f3 t\u00edch h\u1ee3p s\u1eb5n t\u1ea5m l\u1ecdc h\u00e0n. Lo\u1ea1i n\u00e0y kh\u00f4ng \u00e9p l\u00ean m\u1eb7t n\u00ean \u0111eo \u0111\u01b0\u1ee3c k\u00ednh c\u1eadn tho\u1ea3i m\u00e1i, c\u00f3 lu\u1ed3ng kh\u00ed s\u1ea1ch th\u1ed5i qua n\u00ean h\u1ea1n ch\u1ebf \u0111\u1ecdng h\u01a1i tr\u00ean tr\u00f2ng k\u00ednh, v\u00e0 x\u1eed l\u00fd lu\u00f4n ph\u1ea7n kh\u00f3i h\u00e0n \u1edf c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb. \u0110\u1ed5i l\u1ea1i l\u00e0 chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 kh\u00e2u s\u1ea1c pin, thay phin l\u1ecdc ph\u1ea3i c\u00f3 ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n\n\n\n Trong doanh nghi\u1ec7p c\u00f3 t\u1eeb v\u00e0i ch\u1ee5c th\u1ee3 tr\u1edf l\u00ean, ph\u1ea7n kh\u00f3 kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c mua m\u00e0 n\u1eb1m \u1edf vi\u1ec7c bi\u1ebft chi\u1ebfc n\u00e0o \u0111ang \u1edf \u0111\u00e2u v\u00e0 \u0111\u00e3 d\u00f9ng bao l\u00e2u. C\u00e1ch l\u00e0m g\u1ecdn l\u00e0 \u0111\u00e1nh s\u1ed1 t\u1eebng chi\u1ebfc, ghi ng\u00e0y c\u1ea5p v\u00e0o s\u1ed5 theo d\u00f5i, v\u00e0 g\u1eafn m\u1eb7t n\u1ea1 v\u1edbi m\u1ed9t ng\u01b0\u1eddi thay v\u00ec \u0111\u1ec3 d\u00f9ng chung.<\/p>\n\n\n\n D\u00f9ng chung m\u1eb7t n\u1ea1 gi\u1eefa nhi\u1ec1u ca c\u00f2n k\u00e9o theo v\u1ea5n \u0111\u1ec1 v\u1ec7 sinh. Ph\u1ea7n \u0111\u1ec7m tr\u00e1n th\u1ea5m m\u1ed3 h\u00f4i l\u00e0 n\u01a1i sinh vi khu\u1ea9n v\u00e0 g\u00e2y vi\u00eam da v\u00f9ng tr\u00e1n. Mi\u1ebfng \u0111\u1ec7m n\u00e0y l\u00e0 v\u1eadt t\u01b0 ti\u00eau hao, n\u00ean c\u1ea5p theo c\u01a1 s\u1ed1 v\u00e0 thay \u0111\u1ecbnh k\u1ef3 gi\u1ed1ng nh\u01b0 t\u1ea5m k\u00ednh tr\u1eafng.<\/p>\n\n\n\n Ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf n\u00ean vi\u1ebft th\u00e0nh v\u0103n b\u1ea3n ng\u1eafn d\u00e1n ngay t\u1ea1i kho: v\u1ecf r\u1ea1n ho\u1eb7c th\u1ee7ng, b\u1ea3n l\u1ec1 kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c m\u1eb7t n\u1ea1 \u1edf v\u1ecb tr\u00ed l\u1eadt, v\u00e0nh \u0111ai g\u00e3y ng\u00e0m, t\u1ea5m l\u1ecdc r\u1ea1n ho\u1eb7c \u0111\u1ed5i m\u00e0u kh\u00f4ng \u0111\u1ec1u. Khi ti\u00eau ch\u00ed r\u00f5 r\u00e0ng, th\u1ee3 s\u1ebd b\u00e1o h\u1ecfng thay v\u00ec c\u1ed1 d\u00f9ng th\u00eam m\u1ed9t th\u00e1ng.<\/p>\n\n\n\n C\u01a1 s\u1ed1 d\u1ef1 ph\u00f2ng n\u00ean t\u00ednh theo \u0111\u1ea7u ng\u01b0\u1eddi ch\u1ee9 kh\u00f4ng theo \u0111\u1ea7u thi\u1ebft b\u1ecb. M\u1ed9t m\u1eb7t n\u1ea1 h\u1ecfng gi\u1eefa ca m\u00e0 kho kh\u00f4ng c\u00f3 h\u00e0ng thay th\u00ec th\u1ee3 ho\u1eb7c l\u00e0 ngh\u1ec9 ch\u1edd, ho\u1eb7c l\u00e0 m\u01b0\u1ee3n t\u1ea1m chi\u1ebfc c\u1ee7a ng\u01b0\u1eddi kh\u00e1c. C\u1ea3 hai k\u1ebft c\u1ee5c \u0111\u1ec1u t\u1ec7, v\u00e0 k\u1ebft c\u1ee5c th\u1ee9 hai c\u00f2n ph\u00e1 lu\u00f4n h\u1ec7 th\u1ed1ng theo d\u00f5i v\u1eeba d\u1ef1ng l\u00ean.<\/p>\n\n\n\n V\u1edbi nh\u00e0 th\u1ea7u l\u00e0m vi\u1ec7c theo d\u1ef1 \u00e1n ng\u1eafn, n\u00ean t\u00e1ch h\u1eb3n c\u01a1 s\u1ed1 d\u00f9ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng kh\u1ecfi c\u01a1 s\u1ed1 c\u1ee7a x\u01b0\u1edfng. Thi\u1ebft b\u1ecb \u0111i c\u00f4ng tr\u01b0\u1eddng ch\u1ecbu va \u0111\u1eadp v\u00e0 b\u1ee5i b\u1ea9n nhi\u1ec1u h\u01a1n h\u1eb3n, v\u00f2ng \u0111\u1eddi th\u1ef1c t\u1ebf ng\u1eafn h\u01a1n, n\u00ean n\u1ebfu g\u1ed9p chung s\u1ed5 theo d\u00f5i th\u00ec c\u00e1c con s\u1ed1 trung b\u00ecnh s\u1ebd kh\u00f4ng n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec h\u1eefu \u00edch.<\/p>\n\n\n\n Kh\u00e2u cu\u1ed1i c\u00f9ng l\u00e0 h\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi. M\u1ed9t bu\u1ed5i ng\u1eafn t\u1ea1i ch\u1ed7, ch\u1ec9 t\u1eadn tay c\u00e1ch ch\u1ec9nh v\u00e0nh \u0111ai, c\u00e1ch ki\u1ec3m tra b\u1ea3n l\u1ec1 v\u00e0 c\u00e1ch nh\u1eadn bi\u1ebft v\u1ecf \u0111\u00e3 r\u1ea1n, c\u00f3 t\u00e1c d\u1ee5ng h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ph\u00e1t t\u00e0i li\u1ec7u r\u1ed3i k\u00fd nh\u1eadn. Ph\u1ea7n l\u1edbn th\u1ee3 ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c ai ch\u1ec9 nh\u1eefng \u0111i\u1ec1u n\u00e0y, v\u00e0 h\u1ecd d\u00f9ng theo th\u00f3i quen h\u1ecdc l\u1ecfm t\u1eeb ng\u01b0\u1eddi \u0111i tr\u01b0\u1edbc.<\/p>\n\n\n\n T\u00f3m l\u1ea1i, m\u1eb7t n\u1ea1 h\u00e0n l\u00e0m t\u1ed1t \u0111\u00fang m\u1ed9t vi\u1ec7c: che m\u1eaft v\u00e0 da m\u1eb7t kh\u1ecfi h\u1ed3 quang v\u00e0 x\u1ec9 n\u00f3ng. \u0110\u1ec3 n\u00f3 l\u00e0m tr\u00f2n vi\u1ec7c \u0111\u00f3, ph\u1ea3i ch\u1ecdn \u0111\u00fang ki\u1ec3u \u0111eo theo t\u01b0 th\u1ebf thao t\u00e1c v\u00e0 gi\u1eef v\u1ecf c\u00f2n nguy\u00ean v\u1eb9n. Ri\u00eang kh\u00f3i h\u00e0n l\u00e0 b\u00e0i to\u00e1n \u0111\u1ed9c l\u1eadp, ph\u1ea3i x\u1eed l\u00fd b\u1eb1ng th\u00f4ng gi\u00f3 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc ri\u00eang.<\/p>\n","protected":false},"excerpt":{"rendered":" M\u1eb7t N\u1ea1 H\u00e0n \u0110\u00f3ng Vai Tr\u00f2 V\u00f4 C\u00f9ng Quan Tr\u1ecdng Trong Ng\u00e0nh C\u00f4ng Nghi\u1ec7p H\u00e0n V\u00e0 L\u00e0 M\u1ed9t Ph\u1ea7n Kh\u00f4ng Th\u1ec3 Thi\u1ebfu Trong Vi\u1ec7c B\u1ea3o V\u1ec7 S\u1ee9c Kh\u1ecfe V\u00e0 An To\u00e0n C\u1ee7a Ng\u01b0\u1eddi Th\u1ee3 H\u00e0n. M\u1eb7t N\u1ea1 H\u00e0n Gi\u00fap B\u1ea3o V\u1ec7 M\u1eaft V\u00e0 Da Kh\u1ecfi C\u00e1c T\u00e1c \u0110\u1ed9ng C\u00f3 H\u1ea1i T\u1eeb \u00c1nh S\u00e1ng H\u1ed3 Quang \u0110i\u1ec7n, B\u1ee5i V\u00e0 Kh\u00ed \u0110\u1ed9c H\u1ea1i Ph\u00e1t Ra Trong Qu\u00e1 Tr\u00ecnh H\u00e0n. \u0110i\u1ec1u N\u00e0y Gi\u00fap Ng\u0103n Ch\u1eb7n C\u00e1c V\u1ea5n \u0110\u1ec1 S\u1ee9c Kh\u1ecfe Nh\u01b0 B\u1ecfng M\u1eaft, T\u1ed5n Th\u01b0\u01a1ng Da V\u00e0 C\u00e1c B\u1ec7nh V\u1ec1 \u0110\u01b0\u1eddng H\u00f4 H\u1ea5p.M\u1eb7t N\u1ea1 H\u00e0n Che Ch\u1eafn To\u00e0n Di\u1ec7n Cho Khu\u00f4n M\u1eb7t V\u00e0 \u0110\u1ea7u C\u1ee7a Ng\u01b0\u1eddi Th\u1ee3 H\u00e0n, Ng\u0103n Ch\u1eb7n C\u00e1c T\u00e1c \u0110\u1ed9ng V\u1eadt L\u00fd V\u00e0 Nguy C\u01a1 Va \u0110\u1eadp. \u0110i\u1ec1u N\u00e0y Gi\u00fap Gi\u1ea3m Nguy C\u01a1 Tai N\u1ea1n Lao \u0110\u1ed9ng V\u00e0 C\u00e1c Th\u01b0\u01a1ng T\u00edch Do V\u1eadt N\u1eb7ng R\u01a1i Ho\u1eb7c Va \u0110\u1eadp Trong Qu\u00e1 Tr\u00ecnh L\u00e0m Vi\u1ec7c. An To\u00e0n V\u00e0 S\u1ee9c Kh\u1ecfe C\u1ee7a Ng\u01b0\u1eddi Lao \u0110\u1ed9ng L\u00e0 Y\u1ebfu T\u1ed1 Quan Tr\u1ecdng \u0110\u1ec3 T\u1ea1o \u0110i\u1ec1u Ki\u1ec7n L\u00e0m Vi\u1ec7c Hi\u1ec7u Qu\u1ea3. S\u1eed D\u1ee5ng M\u1eb7t N\u1ea1 H\u00e0n Gi\u00fap Ng\u01b0\u1eddi Th\u1ee3 H\u00e0n T\u1eadp Trung V\u00e0o C\u00f4ng Vi\u1ec7c M\u00e0 Kh\u00f4ng Lo L\u1eafng V\u1ec1 C\u00e1c Nguy C\u01a1 Li\u00ean Quan \u0110\u1ebfn An To\u00e0n Lao \u0110\u1ed9ng, T\u1eeb \u0110\u00f3 T\u0103ng C\u01b0\u1eddng Hi\u1ec7u Su\u1ea5t V\u00e0 Ch\u1ea5t L\u01b0\u1ee3ng C\u00f4ng Vi\u1ec7c.<\/p>\n","protected":false},"author":969,"featured_media":64038,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,6934],"tags":[6220,427,6007],"class_list":["post-64037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-xoa-gsc","tag-bao-ho-mat-mat","tag-mat-na-han","tag-mat-na-han-cao-cap"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64037","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\/969"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=64037"}],"version-history":[{"count":15,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64037\/revisions"}],"predecessor-version":[{"id":98218,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64037\/revisions\/98218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/64038"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=64037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=64037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=64037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2018\/02\/cong-dung-cua-mat-na-han-trum-dau.jpg\" "\\"\\"")
<\/p>\n\n\n\nCh\u1ecdn Theo T\u01b0 Th\u1ebf V\u00e0 Kh\u00f4ng Gian Thao T\u00e1c<\/h2>\n\n\n\n
\n
V\u1ecf M\u1eb7t N\u1ea1 V\u00e0 S\u1ee9c Ch\u1ecbu Nhi\u1ec7t Trong X\u01b0\u1edfng<\/h2>\n\n\n\n
![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/10\/mat-na-han-ket-hop-mu-6pa3.jpg\" "\\"\\"")
<\/p>\n\n\n\nChu\u1ed7i Trang B\u1ecb Kh\u00e9p K\u00edn Quanh Ng\u01b0\u1eddi Th\u1ee3<\/h2>\n\n\n\n
\u0110eo M\u1eb7t N\u1ea1 H\u00e0n C\u00f9ng K\u00ednh C\u1eadn V\u00e0 Ph\u01b0\u01a1ng Ti\u1ec7n L\u1ecdc B\u1ee5i<\/h2>\n\n\n\n
C\u1ea5p Ph\u00e1t V\u00e0 Theo D\u00f5i Trong Doanh Nghi\u1ec7p<\/h2>\n\n\n\n
![\"M\u1eb7t](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/10\/mat-na-han-ho-quang-bvh0035_1.jpg\" "\\"\\"")
<\/p>\n\n\n\n