{"id":17640,"date":"2017-07-03T11:38:53","date_gmt":"2017-07-03T04:38:53","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=17640"},"modified":"2026-09-04T10:52:59","modified_gmt":"2026-09-04T03:52:59","slug":"nut-tai-dai-loan-chat-luong-tai-can-tho","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/nut-tai-dai-loan-chat-luong-tai-can-tho\/","title":{"rendered":"N\u00fat Tai Ch\u1ed1ng \u1ed2n T\u00e1i S\u1eed D\u1ee5ng &#8211; Ch\u1ecdn C\u1ee1 V\u00e0 V\u1ec7 Sinh"},"content":{"rendered":"<p>M\u1ed9t c\u1eb7p n\u00fat tai d\u00f9ng l\u1ea1i \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 \u0111i h\u1ebft v\u00e0i th\u00e1ng l\u00e0m vi\u1ec7c, nh\u01b0ng ch\u1ec9 khi ng\u01b0\u1eddi \u0111eo bi\u1ebft r\u1eeda \u0111\u00fang c\u00e1ch v\u00e0 bi\u1ebft l\u00fac n\u00e0o ph\u1ea3i b\u1ecf. B\u00e0i vi\u1ebft b\u00e0n ri\u00eang v\u1ec1 nh\u00f3m <strong>n\u00fat tai ch\u1ed1ng \u1ed3n t\u00e1i s\u1eed d\u1ee5ng<\/strong> l\u00e0m t\u1eeb v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i c\u00f3 v\u00e0nh ch\u1eb7n nhi\u1ec1u t\u1ea7ng: c\u00e1ch ch\u1ecdn c\u1ee1 \u1ed1ng tai, quy tr\u00ecnh v\u1ec7 sinh sau ca, d\u1ea5u hi\u1ec7u cho th\u1ea5y c\u1eb7p n\u00fat \u0111\u00e3 h\u1ebft t\u00e1c d\u1ee5ng, v\u00e0 c\u00e1ch t\u00ednh chi ph\u00ed theo n\u0103m cho m\u1ed9t v\u1ecb tr\u00ed \u0111\u1ee9ng m\u00e1y thay v\u00ec so \u0111\u01a1n gi\u00e1 t\u1eebng \u0111\u00f4i.<\/p>\n<h2>N\u00fat Tai Ch\u1ed1ng \u1ed2n T\u00e1i S\u1eed D\u1ee5ng Kh\u00e1c Lo\u1ea1i B\u1ecdt N\u00e9n \u1ede Ch\u1ed7 N\u00e0o<\/h2>\n<p>Hai nh\u00f3m n\u00e0y ch\u1ec9 gi\u1ed1ng nhau \u1edf ch\u1ed7 c\u00f9ng n\u1eb1m trong \u1ed1ng tai. Lo\u1ea1i b\u1ecdt n\u00e9n ph\u1ea3i v\u00ea nh\u1ecf r\u1ed3i ch\u1edd n\u1edf; lo\u1ea1i d\u00f9ng l\u1ea1i gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng, ng\u01b0\u1eddi \u0111eo \u0111\u1ea9y th\u1eb3ng v\u00e0o cho c\u00e1c t\u1ea7ng v\u00e0nh l\u1ea7n l\u01b0\u1ee3t \u0103n kh\u00edt th\u00e0nh \u1ed1ng tai. Kh\u00e1c bi\u1ec7t v\u1eadt li\u1ec7u k\u00e9o theo kh\u00e1c bi\u1ec7t v\u1eadn h\u00e0nh: b\u1ecdt x\u1ed1p ng\u1eadm n\u01b0\u1edbc n\u00ean r\u1eeda xong l\u00e0 h\u1ecfng, c\u00f2n v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i b\u1ec1 m\u1eb7t tr\u01a1n th\u00ec r\u1eeda \u0111\u01b0\u1ee3c v\u00e0 gi\u1eef l\u1ea1i \u0111\u1ed9 m\u1ec1m sau nhi\u1ec1u l\u1ea7n l\u00e0m s\u1ea1ch.<\/p>\n<ul>\n<li><strong>Thao t\u00e1c \u0111eo:<\/strong> kh\u00f4ng ph\u1ea3i ch\u1edd v\u1eadt li\u1ec7u n\u1edf, n\u00ean ng\u01b0\u1eddi ra v\u00e0o v\u00f9ng \u1ed3n nhi\u1ec1u l\u01b0\u1ee3t trong ca \u0111\u1ee1 m\u1ea5t th\u1eddi gian \u1edf m\u1ed7i l\u01b0\u1ee3t.<\/li>\n<li><strong>Tay b\u1ea9n:<\/strong> ph\u1ea7n cu\u1ed1ng cho ph\u00e9p c\u1ea7m m\u00e0 kh\u00f4ng ch\u1ea1m v\u00e0o \u0111o\u1ea1n ti\u1ebfp x\u00fac \u1ed1ng tai, \u0111i\u1ec3m quan tr\u1ecdng \u1edf x\u01b0\u1edfng nhi\u1ec1u d\u1ea7u m\u1ee1.<\/li>\n<li><strong>Ki\u1ec3m b\u1eb1ng m\u1eaft:<\/strong> v\u00e0nh ch\u1eb7n h\u1ecfng th\u00ec nh\u00ecn th\u1ea5y ngay, trong khi b\u1ecdt x\u1ed1p chai c\u1ee9ng b\u00ean trong l\u1ea1i kh\u00f3 nh\u1eadn ra.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd:<\/strong> m\u1ed7i ng\u01b0\u1eddi gi\u1eef m\u1ed9t c\u1eb7p mang t\u00ean m\u00ecnh, thay v\u00ec l\u1ea5y tu\u1ef3 \u00fd t\u1eeb h\u1ed9p ph\u00e1t chung \u0111\u1eb7t \u1edf c\u1eeda.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2018\/02\/NUT-TAI-CHONG-ON-3M-1290.jpg\" alt=\"N\u00fat tai ch\u1ed1ng \u1ed3n d\u1ea1ng v\u00e0nh ch\u1eb7n nhi\u1ec1u t\u1ea7ng thu\u1ed9c nh\u00f3m d\u00f9ng l\u1ea1i \u0111\u01b0\u1ee3c\" loading=\"lazy\" width=\"1000\" height=\"1001\" title=\"\"><\/p>\n<h2>V\u00e0nh Ch\u1eb7n Nhi\u1ec1u T\u1ea7ng V\u00e0 Cu\u1ed1ng C\u1ea7m<\/h2>\n<p>Th\u00e2n n\u00fat th\u01b0\u1eddng c\u00f3 hai \u0111\u1ebfn b\u1ed1n t\u1ea7ng v\u00e0nh m\u1ec1m, gi\u1ea3m d\u1ea7n \u0111\u01b0\u1eddng k\u00ednh t\u1eeb ngo\u00e0i v\u00e0o trong. M\u1ed7i t\u1ea7ng ch\u1ea1m m\u1ed9t v\u00f2ng kh\u00e1c nhau tr\u00ean th\u00e0nh \u1ed1ng tai, n\u00ean khi m\u1ed9t t\u1ea7ng ch\u01b0a kh\u00edt v\u1eabn c\u00f2n t\u1ea7ng ph\u00eda sau \u0111\u1ee1 l\u1ea1i. \u0110\u00f3 l\u00e0 l\u00fd do ki\u1ec3u n\u00e0y \u00edt nh\u1ea1y v\u1edbi thao t\u00e1c \u0111eo h\u01a1n b\u1ecdt n\u00e9n, nh\u01b0ng c\u0169ng l\u00e0 l\u00fd do n\u00f3 kh\u00f4ng \u0103n kh\u00edt n\u1ed5i n\u1ebfu \u1ed1ng tai n\u1eb1m ngo\u00e0i d\u1ea3i c\u1ee1 m\u00e0 h\u00e3ng c\u00f4ng b\u1ed1 cho m\u1eabu \u0111\u00f3.<\/p>\n<p>Cu\u1ed1ng c\u1ea7m ph\u00eda ngo\u00e0i kh\u00f4ng ph\u1ea3i chi ti\u1ebft trang tr\u00ed. N\u00f3 quy\u1ebft \u0111\u1ecbnh ng\u01b0\u1eddi \u0111eo c\u1ea7m v\u00e0o \u0111\u00e2u, v\u00e0 quy\u1ebft \u0111\u1ecbnh lu\u00f4n vi\u1ec7c th\u00e1o ra c\u00f3 \u00eam hay kh\u00f4ng: xoay nh\u1eb9 r\u1ed3i k\u00e9o theo tr\u1ee5c cu\u1ed1ng th\u00ec \u00e1p su\u1ea5t trong \u1ed1ng tai h\u1ea1 t\u1eeb t\u1eeb. V\u1edbi v\u1ecb tr\u00ed c\u00f3 nguy c\u01a1 r\u01a1i v\u1eadt l\u1ea1 v\u00e0o d\u00e2y chuy\u1ec1n, n\u00ean ch\u1ecdn m\u1eabu cu\u1ed1ng li\u1ec1n kh\u1ed1i, kh\u00f4ng c\u00f3 chi ti\u1ebft nh\u1ecf t\u00e1ch r\u1eddi \u0111\u01b0\u1ee3c.<\/p>\n<h2>Ch\u1ecdn C\u1ee1 \u1ed0ng Tai Thay V\u00ec Ch\u1ecdn M\u1ed9t C\u1ee1 Cho T\u1ea5t C\u1ea3<\/h2>\n<p>\u0110\u00e2y l\u00e0 ch\u1ed7 nh\u00f3m d\u00f9ng l\u1ea1i h\u01a1n h\u1eb3n nh\u00f3m b\u1ecdt n\u00e9n. Nhi\u1ec1u d\u00f2ng b\u1ecdt ch\u1ec9 c\u00f3 m\u1ed9t c\u1ee1 v\u00e0 tr\u00f4ng c\u1eady v\u00e0o \u0111\u1ed9 n\u1edf \u0111\u1ec3 b\u00f9 ch\u00eanh l\u1ec7ch gi\u1eefa ng\u01b0\u1eddi n\u00e0y v\u1edbi ng\u01b0\u1eddi kia. Ng\u01b0\u1ee3c l\u1ea1i, ph\u1ea7n l\u1edbn d\u00f2ng v\u00e0nh ch\u1eb7n c\u00f3 \u00edt nh\u1ea5t hai c\u1ee1, m\u1ed9t s\u1ed1 h\u00e3ng l\u00e0m ba c\u1ee1 cho c\u00f9ng m\u1ed9t ki\u1ec3u th\u00e2n. Trang b\u1ecb cho c\u1ea3 t\u1ed5 m\u00e0 ch\u1ec9 \u0111\u1eb7t m\u1ed9t c\u1ee1 l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 c\u00f3 m\u1ed9t nh\u00f3m ng\u01b0\u1eddi t\u1ef1 th\u00e1o tai ra sau v\u00e0i gi\u1edd.<\/p>\n<p>C\u00e1ch l\u00e0m g\u1ecdn khi m\u1edbi chuy\u1ec3n sang d\u00f2ng d\u00f9ng l\u1ea1i: l\u1ea5y m\u1eabu c\u1ee7a c\u1ea3 d\u1ea3i c\u1ee1 cho t\u1ed5 th\u1eed tr\u1ecdn m\u1ed9t ca, ghi l\u1ea1i ai ch\u1ecdn c\u1ee1 n\u00e0o, r\u1ed3i m\u1edbi l\u00ean s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t. Danh s\u00e1ch c\u1ee1 theo t\u00ean \u0111\u00f3 d\u00f9ng l\u1ea1i \u0111\u01b0\u1ee3c cho m\u1ecdi l\u1ea7n c\u1ea5p b\u00f9 v\u1ec1 sau, v\u00e0 tr\u00e1nh c\u1ea3nh ng\u01b0\u1eddi m\u1edbi v\u00e0o nh\u1eadn c\u1ee1 ng\u1eabu nhi\u00ean r\u1ed3i b\u1ecf \u0111eo. C\u00f3 th\u1ec3 so d\u1ea3i c\u1ee1 gi\u1eefa <a href=\"https:\/\/www.baohoxanh.com\/nut-tai-chong-on\">c\u00e1c m\u00e3 n\u00fat tai nh\u00e9t trong \u1ed1ng tai<\/a> tr\u01b0\u1edbc khi ch\u1ed1t m\u1eabu cho t\u1eebng t\u1ed5.<\/p>\n<p>Nguy\u00ean t\u1eafc chung v\u1ec1 vi\u1ec7c ch\u1ecdn v\u00e0 duy tr\u00ec thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u00ednh l\u1ef1c trong doanh nghi\u1ec7p \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong <a href=\"https:\/\/www.hse.gov.uk\/noise\/hearingprotection.htm\" target=\"_blank\" rel=\"noopener nofollow\">t\u00e0i li\u1ec7u v\u1ec1 b\u1ea3o v\u1ec7 th\u00ednh l\u1ef1c c\u1ee7a c\u01a1 quan an to\u00e0n v\u00e0 s\u1ee9c kho\u1ebb ngh\u1ec1 nghi\u1ec7p Anh Qu\u1ed1c<\/a>, \u0111\u1ecdc tr\u01b0\u1edbc khi l\u1eadp h\u1ed3 s\u01a1 ch\u1ecdn thi\u1ebft b\u1ecb s\u1ebd \u0111\u1ee1 ph\u1ea3i l\u00e0m l\u1ea1i.<\/p>\n<p>T\u00e0i li\u1ec7u \u0111\u00f3 gh\u00e9p s\u1eb5n m\u1ee9c \u1ed3n \u0111o \u0111\u01b0\u1ee3c v\u1edbi d\u1ea3i ch\u1ec9 s\u1ed1 gi\u1ea3m \u1ed3n c\u1ea7n c\u00f3: v\u00f9ng 85\u201390 dB d\u00f9ng n\u00fat tai c\u00f3 SNR kh\u00f4ng qu\u00e1 20, v\u00f9ng 90\u201395 dB l\u1ea5y SNR trong kho\u1ea3ng 20\u201330, v\u00f9ng 95\u2013100 dB l\u1ea5y 25\u201335, c\u00f2n t\u1eeb 100 dB tr\u1edf l\u00ean m\u1edbi c\u1ea7n SNR t\u1eeb 30. B\u1ea3ng n\u00e0y c\u00f2n m\u1ed9t chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i: \u00e9p m\u1ee9c t\u1ea1i tai xu\u1ed1ng d\u01b0\u1edbi 70 dB b\u1ecb x\u1ebfp v\u00e0o b\u1ea3o v\u1ec7 qu\u00e1 m\u1ee9c, ng\u01b0\u1eddi \u0111eo kh\u00f4ng nghe \u0111\u01b0\u1ee3c ti\u1ebfng g\u1ecdi v\u00e0 c\u00f2i l\u00f9i xe n\u00ean t\u1ef1 th\u00e1o ra, v\u00e0 l\u00fac \u0111\u00f3 m\u1ee9c b\u1ea3o v\u1ec7 th\u1ef1c t\u1ebf b\u1eb1ng kh\u00f4ng. \u0110\u00edch c\u1ea7n \u0111\u1ea1t l\u00e0 \u0111\u01b0a m\u1ee9c t\u1ea1i tai xu\u1ed1ng d\u01b0\u1edbi 85 dB, kh\u00f4ng ph\u1ea3i xu\u1ed1ng c\u00e0ng th\u1ea5p c\u00e0ng t\u1ed1t.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2021\/06\/nut-tai-chong-tieng-on.jpg\" alt=\"C\u1eb7p n\u00fat tai c\u00f3 cu\u1ed1ng c\u1ea7m ph\u00eda ngo\u00e0i, \u0111\u01b0a v\u00e0o \u1ed1ng tai kh\u00f4ng c\u1ea7n v\u00ea nh\u1ecf\" loading=\"lazy\" width=\"1242\" height=\"1198\" title=\"\"><\/p>\n<h2>R\u1eeda, L\u00e0m Kh\u00f4 V\u00e0 C\u1ea5t V\u00e0o H\u1ed9p Sau M\u1ed7i Ca<\/h2>\n<ul>\n<li>R\u1eeda b\u1eb1ng n\u01b0\u1edbc \u1ea5m v\u1edbi x\u00e0 ph\u00f2ng nh\u1eb9. Kh\u00f4ng d\u00f9ng c\u1ed3n, x\u0103ng th\u01a1m hay dung m\u00f4i t\u1ea9y v\u00ec c\u00e1c ch\u1ea5t n\u00e0y l\u00e0m v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i c\u1ee9ng v\u00e0 gi\u00f2n r\u1ea5t nhanh.<\/li>\n<li>Th\u1ea5m kh\u00f4 b\u1eb1ng kh\u0103n s\u1ea1ch r\u1ed3i \u0111\u1ec3 kh\u00f4 h\u1eb3n trong kh\u00f4ng kh\u00ed; c\u1ea5t l\u00fac c\u00f2n \u1ea9m l\u00e0 c\u00e1ch nu\u00f4i vi khu\u1ea9n ngay trong h\u1ed9p k\u00edn.<\/li>\n<li>Kh\u00f4ng ph\u01a1i tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi n\u1eafng v\u00e0 kh\u00f4ng \u0111\u1ec3 c\u1ea1nh ngu\u1ed3n nhi\u1ec7t, v\u00ec nhi\u1ec7t l\u00e0m m\u1ea5t \u0111\u1ed9 m\u1ec1m c\u1ee7a c\u00e1c t\u1ea7ng v\u00e0nh.<\/li>\n<li>H\u1ed9p \u0111\u1ef1ng ph\u1ea3i l\u00e0 h\u1ed9p ri\u00eang t\u1eebng ng\u01b0\u1eddi, c\u00f3 ghi t\u00ean, v\u00e0 b\u1ea3n th\u00e2n chi\u1ebfc h\u1ed9p c\u0169ng c\u1ea7n lau \u0111\u1ecbnh k\u1ef3.<\/li>\n<li>Ch\u1ed7 r\u1eeda n\u00ean \u0111\u1eb7t ngay l\u1ed1i ra kh\u1ecfi v\u00f9ng \u1ed3n, c\u1ea1nh b\u1ed3n r\u1eeda tay s\u1eb5n c\u00f3, thay v\u00ec b\u1eaft ng\u01b0\u1eddi th\u1ee3 mang c\u1eb7p n\u00fat b\u1ea9n v\u1ec1 t\u1ee7 \u0111\u1ed3.<\/li>\n<\/ul>\n<p>C\u00e1i h\u1ed9p m\u1edbi l\u00e0 th\u1ee9 gi\u1eef n\u00fat tai s\u1ea1ch. Nhi\u1ec1u \u0111\u01a1n v\u1ecb \u0111\u1eb7t n\u00fat tai d\u00f9ng l\u1ea1i nh\u01b0ng qu\u00ean \u0111\u1eb7t h\u1ed9p, k\u1ebft qu\u1ea3 l\u00e0 ng\u01b0\u1eddi th\u1ee3 nh\u00e9t c\u1eb7p n\u00fat v\u00e0o t\u00fai \u00e1o b\u1ea3o h\u1ed9 gi\u1eefa gi\u1edd ngh\u1ec9 r\u1ed3i \u0111eo l\u1ea1i. M\u1ed9t chi\u1ebfc h\u1ed9p nh\u1ecf r\u1ebb h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ph\u1ea3i c\u1ea5p b\u00f9 c\u1ea3 c\u1eb7p n\u00fat ch\u1ec9 v\u00ec b\u1ea9n, v\u00e0 n\u00f3 c\u00f2n gi\u1eef cho c\u1eb7p n\u00fat kh\u00f4ng b\u1ecb \u0111\u00e8 b\u1eb9p trong t\u1ee7.<\/p>\n<h2>B\u1ed1n Ph\u00e9p Th\u1eed Tr\u01b0\u1edbc Khi Quy\u1ebft \u0110\u1ecbnh B\u1ecf M\u1ed9t C\u1eb7p N\u00fat Tai<\/h2>\n<p>Kh\u00f4ng c\u00f3 m\u1ed1c th\u1eddi gian d\u00f9ng chung cho m\u1ecdi m\u1eabu; h\u00e3ng n\u00e0o c\u0169ng ghi chu k\u1ef3 thay ri\u00eang trong t\u00e0i li\u1ec7u k\u00e8m theo h\u1ed9p. Th\u1ee9 d\u00f9ng \u0111\u01b0\u1ee3c \u1edf m\u1ecdi m\u1eabu l\u00e0 b\u1ed1n ph\u00e9p th\u1eed d\u01b0\u1edbi \u0111\u00e2y, l\u00e0m ngay t\u1ea1i ch\u1ed7 trong v\u00e0i gi\u00e2y:<\/p>\n<ul>\n<li><strong>B\u00f3p v\u00e0 th\u1ea3:<\/strong> b\u00f3p m\u1ed9t t\u1ea7ng v\u00e0nh r\u1ed3i bu\u00f4ng, t\u1ea7ng \u0111\u00f3 ph\u1ea3i b\u1eadt l\u1ea1i \u0111\u1ea7y \u0111\u1ee7. B\u1eadt ch\u1eadm ho\u1eb7c l\u00ec \u0111i l\u00e0 v\u1eadt li\u1ec7u \u0111\u00e3 l\u00e3o ho\u00e1.<\/li>\n<li><strong>Soi v\u00e0nh d\u01b0\u1edbi \u00e1nh s\u00e1ng:<\/strong> t\u00ecm v\u1ebft r\u00e1ch \u1edf ch\u00e2n v\u00e0nh v\u00e0 v\u1ebft n\u1ee9t t\u00f3c \u1edf m\u1eb7t trong, \u0111\u00e2y l\u00e0 ch\u1ed7 h\u1ecfng tr\u01b0\u1edbc nh\u1ea5t.<\/li>\n<li><strong>Ph\u00e9p \u00fap b\u00e0n tay:<\/strong> \u0111eo xong, \u0111\u1ee9ng trong ti\u1ebfng \u1ed3n \u1ed5n \u0111\u1ecbnh r\u1ed3i \u00fap hai b\u00e0n tay l\u00ean tai v\u00e0 b\u1ecf ra. Nghe th\u1ea5y kh\u00e1c bi\u1ec7t r\u00f5 ngh\u0129a l\u00e0 n\u00fat kh\u00f4ng c\u00f2n \u0103n kh\u00edt.<\/li>\n<li><strong>Nh\u00ecn b\u1ec1 m\u1eb7t:<\/strong> b\u1ec1 m\u1eb7t x\u1ec9n m\u00e0u ho\u1eb7c nh\u00e1m l\u00ean so v\u1edbi m\u1ed9t c\u1eb7p m\u1edbi c\u00f9ng lo\u1ea1i l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u00e3 h\u1ebft v\u00f2ng \u0111\u1eddi.<\/li>\n<\/ul>\n<p>Ng\u01b0\u1eddi th\u1ee3 n\u00e0o t\u1ef1 th\u1ea5y ph\u1ea3i \u1ea5n gi\u1eef n\u00fat tai l\u1ea1i nhi\u1ec1u l\u1ea7n trong ca th\u00ec c\u1eb7p n\u00fat \u0111\u00f3 n\u00ean \u0111\u01b0\u1ee3c thay, d\u00f9 b\u00ean ngo\u00e0i tr\u00f4ng v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n. C\u1ea3m gi\u00e1c c\u1ee7a ng\u01b0\u1eddi \u0111eo l\u00e0 d\u1eef li\u1ec7u, kh\u00f4ng ph\u1ea3i l\u1eddi than.<\/p>\n<p>C\u1ea3m gi\u00e1c \u1ea5y c\u00f3 m\u1ed9t ph\u00e9p \u0111o \u0111i k\u00e8m \u1edf c\u1ea5p doanh nghi\u1ec7p. \u0110i\u1ec1u kho\u1ea3n OSHA 1910.95 trong quy chu\u1ea9n lao \u0111\u1ed9ng Hoa K\u1ef3 y\u00eau c\u1ea7u l\u1eadp th\u00ednh l\u1ef1c \u0111\u1ed3 n\u1ec1n cho ng\u01b0\u1eddi l\u00e0m trong v\u00f9ng \u1ed3n trong s\u00e1u th\u00e1ng \u0111\u1ea7u v\u00e0 \u0111o l\u1ea1i m\u1ed7i n\u0103m m\u1ed9t l\u1ea7n; m\u1ed1c ph\u1ea3i x\u1eed l\u00fd l\u00e0 m\u1ee9c d\u1ecbch ng\u01b0\u1ee1ng nghe trung b\u00ecnh t\u1eeb 10 dB tr\u1edf l\u00ean t\u1ea1i ba t\u1ea7n s\u1ed1 2000, 3000 v\u00e0 4000 Hz so v\u1edbi \u0111\u01b0\u1eddng n\u1ec1n. Con s\u1ed1 n\u00e0y n\u1eb1m ngo\u00e0i t\u1ea7m v\u1edbi c\u1ee7a m\u1ed9t c\u1eb7p n\u00fat tai, nh\u01b0ng n\u00f3 l\u00e0 th\u1ee9 duy nh\u1ea5t cho bi\u1ebft ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o v\u1ec7 th\u00ednh l\u1ef1c \u0111ang ch\u1ea1y \u0111\u00fang hay ch\u1ec9 \u0111ang ph\u00e1t h\u00e0ng \u0111\u1ec1u \u0111\u1eb7n.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2019\/01\/nut-tai-hay-bit-tai.jpg\" alt=\"Hai nh\u00f3m b\u1ea3o v\u1ec7 th\u00ednh l\u1ef1c \u0111\u1eb7t c\u1ea1nh nhau: ki\u1ec3u nh\u00e9t trong \u1ed1ng tai v\u00e0 ki\u1ec3u ch\u1ee5p ngo\u00e0i\" loading=\"lazy\" width=\"1000\" height=\"800\" title=\"\"><\/p>\n<h2>T\u00ednh Chi Ph\u00ed Theo N\u0103m Cho M\u1ed9t V\u1ecb Tr\u00ed \u0110\u1ee9ng M\u00e1y<\/h2>\n<p>So \u0111\u01a1n gi\u00e1 t\u1eebng \u0111\u00f4i lu\u00f4n cho ra k\u1ebft lu\u1eadn sai v\u00ec hai nh\u00f3m c\u00f3 nh\u1ecbp thay kh\u00e1c h\u1eb3n nhau. \u0110\u01a1n v\u1ecb so s\u00e1nh n\u00ean l\u00e0 m\u1ed9t v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c trong m\u1ed9t n\u0103m. V\u1edbi d\u00f2ng d\u00f9ng l\u1ea1i, con s\u1ed1 c\u1ea7n bi\u1ebft ch\u1ec9 c\u00f3 ba: chu k\u1ef3 thay m\u00e0 h\u00e3ng ghi trong t\u00e0i li\u1ec7u, s\u1ed1 v\u1ecb tr\u00ed ph\u1ea3i trang b\u1ecb, v\u00e0 ph\u1ea7n \u0111\u1ea7u t\u01b0 m\u1ed9t l\u1ea7n cho h\u1ed9p \u0111\u1ef1ng c\u00f9ng b\u1ea3ng h\u01b0\u1edbng d\u1eabn treo t\u1ea1i ch\u1ed7 r\u1eeda.<\/p>\n<p>Nh\u00e2n chu k\u1ef3 thay ra s\u1ed1 c\u1eb7p m\u1ed7i v\u1ecb tr\u00ed c\u1ea7n trong m\u1ed9t n\u0103m, c\u1ed9ng ph\u1ea7n c\u1ea5p b\u00f9 cho ng\u01b0\u1eddi m\u1edbi v\u00e0 cho tr\u01b0\u1eddng h\u1ee3p l\u00e0m r\u01a1i, r\u1ed3i m\u1edbi c\u1ed9ng kho\u1ea3n \u0111\u1ea7u t\u01b0 m\u1ed9t l\u1ea7n. K\u1ebft qu\u1ea3 th\u01b0\u1eddng kh\u00e1c xa c\u1ea3m gi\u00e1c ban \u0111\u1ea7u, nh\u1ea5t l\u00e0 \u1edf nh\u00e0 m\u00e1y ch\u1ea1y ba ca, n\u01a1i c\u00f9ng m\u1ed9t v\u1ecb tr\u00ed c\u00f3 ba ng\u01b0\u1eddi d\u00f9ng ba c\u1eb7p ri\u00eang c\u1ee7a m\u00ecnh.<\/p>\n<p>M\u1ed9t kho\u1ea3n n\u1eefa n\u1eb1m \u1edf kh\u00e2u v\u1ec7 sinh: n\u1ebfu kh\u00f4ng c\u00f3 ch\u1ed7 r\u1eeda v\u00e0 kh\u00f4ng c\u00f3 ai nh\u1eafc, chu k\u1ef3 thay th\u1ef1c t\u1ebf s\u1ebd ng\u1eafn h\u01a1n chu k\u1ef3 h\u00e3ng ghi. Chi ph\u00ed l\u00fac \u0111\u00f3 kh\u00f4ng n\u1eb1m \u1edf s\u1ea3n ph\u1ea9m m\u00e0 n\u1eb1m \u1edf quy tr\u00ecnh ch\u01b0a d\u1ef1ng xong. Khi l\u1eadp b\u1ea3ng t\u00ednh, n\u00ean \u0111\u1eb7t c\u1ea3 <a href=\"https:\/\/www.baohoxanh.com\/bao-ho-tai\">nh\u00f3m thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u00ednh l\u1ef1c<\/a> v\u00e0o c\u00f9ng m\u1ed9t b\u1ea3ng \u0111\u1ec3 th\u1ea5y kho\u1ea3n n\u00e0o th\u1eadt s\u1ef1 ch\u00eanh nhau.<\/p>\n<h2>S\u1ed5 C\u1ea5p Ph\u00e1t Theo T\u00ean V\u00e0 Quy \u0110\u1ecbnh Kh\u00f4ng D\u00f9ng Chung<\/h2>\n<p>N\u00fat tai d\u00f9ng l\u1ea1i ch\u1ec9 gi\u1eef \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf v\u1ec7 sinh khi m\u1ed7i c\u1eb7p thu\u1ed9c v\u1ec1 \u0111\u00fang m\u1ed9t ng\u01b0\u1eddi. S\u1ed5 c\u1ea5p ph\u00e1t n\u00ean ghi t\u00ean, c\u1ee1 \u0111\u00e3 ch\u1ecdn, ng\u00e0y nh\u1eadn v\u00e0 ng\u00e0y thay g\u1ea7n nh\u1ea5t. Ba c\u1ed9t \u0111\u1ea7u gi\u00fap c\u1ea5p b\u00f9 nhanh, c\u1ed9t cu\u1ed1i gi\u00fap an to\u00e0n vi\u00ean nh\u00ecn ra ai \u0111ang d\u00f9ng qu\u00e1 h\u1ea1n m\u00e0 kh\u00f4ng ph\u1ea3i h\u1ecfi t\u1eebng ng\u01b0\u1eddi trong t\u1ed5.<\/p>\n<p>N\u1ed9i quy n\u00ean ghi r\u00f5 ba \u0111i\u1ec1u: kh\u00f4ng cho m\u01b0\u1ee3n, kh\u00f4ng d\u00f9ng l\u1ea1i c\u1eb7p nh\u1eb7t \u0111\u01b0\u1ee3c, v\u00e0 b\u00e1o ngay khi tai \u0111au ho\u1eb7c ng\u1ee9a k\u00e9o d\u00e0i \u0111\u1ec3 chuy\u1ec3n t\u1ea1m sang ki\u1ec3u \u00fap ngo\u00e0i trong l\u00fac \u0111i kh\u00e1m. V\u1edbi kh\u00e1ch tham quan v\u00e0 nh\u00e0 th\u1ea7u ph\u1ee5, gi\u1eef ri\u00eang m\u1ed9t h\u1ed9p lo\u1ea1i d\u00f9ng m\u1ed9t l\u1ea7n \u0111\u1eb7t t\u1ea1i c\u1eeda, \u0111\u1eebng l\u1ea5y h\u00e0ng trong s\u1ed5 c\u1ea5p ph\u00e1t ra d\u00f9ng t\u1ea1m r\u1ed3i thu v\u1ec1.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2017\/02\/nut-tai-chong-on-tot.jpg\" alt=\"N\u00fat tai ch\u1ed1ng \u1ed3n c\u1ea5p ri\u00eang theo t\u00ean t\u1eebng c\u00f4ng nh\u00e2n trong t\u1ed5 s\u1ea3n xu\u1ea5t\" loading=\"lazy\" width=\"600\" height=\"600\" title=\"\"><\/p>\n<h2>C\u00e2u Tr\u1ea3 L\u1eddi N\u1eb1m \u1ede T\u00ecnh Tr\u1ea1ng V\u1eadt Li\u1ec7u, Kh\u00f4ng \u1ede S\u1ed1 L\u1ea7n<\/h2>\n<h3>M\u1ed9t C\u1eb7p N\u00fat Tai D\u00f9ng L\u1ea1i \u0110\u01b0\u1ee3c Bao Nhi\u00eau L\u1ea7n?<\/h3>\n<p>Kh\u00f4ng t\u00ednh theo s\u1ed1 l\u1ea7n m\u00e0 t\u00ednh theo t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u v\u00e0 theo chu k\u1ef3 h\u00e3ng ghi trong t\u00e0i li\u1ec7u k\u00e8m h\u1ed9p. B\u1ed1n ph\u00e9p th\u1eed \u1edf tr\u00ean cho c\u00e2u tr\u1ea3 l\u1eddi nhanh h\u01a1n m\u1ecdi con s\u1ed1 \u01b0\u1edbc l\u01b0\u1ee3ng.<\/p>\n<h3>C\u00f3 N\u00ean Lu\u1ed9c Ho\u1eb7c Ng\u00e2m C\u1ed3n \u0110\u1ec3 Kh\u1eed Tr\u00f9ng Kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. Nhi\u1ec7t cao v\u00e0 dung m\u00f4i \u0111\u1ec1u ph\u00e1 c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i, l\u00e0m c\u00e1c t\u1ea7ng v\u00e0nh m\u1ea5t \u0111\u1ed9 m\u1ec1m v\u00e0 h\u1ebft \u0103n kh\u00edt. N\u01b0\u1edbc \u1ea5m v\u1edbi x\u00e0 ph\u00f2ng nh\u1eb9 l\u00e0 \u0111\u1ee7 cho nhu c\u1ea7u v\u1ec7 sinh c\u00e1 nh\u00e2n h\u1eb1ng ng\u00e0y.<\/p>\n<h3>Ng\u01b0\u1eddi \u0110\u1ed9i M\u0169 C\u1ee9ng V\u00e0 \u0110eo K\u00ednh C\u00f3 H\u1ee3p V\u1edbi Lo\u1ea1i N\u00e0y Kh\u00f4ng?<\/h3>\n<p>R\u1ea5t h\u1ee3p, v\u00ec n\u00fat tai kh\u00f4ng v\u01b0\u1edbng g\u1ecdng k\u00ednh v\u00e0 kh\u00f4ng b\u1ecb vi\u1ec1n \u0111\u1ec7m h\u1edf nh\u01b0 ki\u1ec3u \u00fap ngo\u00e0i. Ng\u01b0\u1ee3c l\u1ea1i, \u1edf v\u1ecb tr\u00ed ph\u1ea3i th\u00e1o l\u1eafp li\u00ean t\u1ee5c m\u00e0 tay lu\u00f4n b\u1ea9n th\u00ec <a href=\"https:\/\/www.baohoxanh.com\/bit-tai-chong-on\">ch\u1ee5p tai \u0111eo ngo\u00e0i v\u00e0nh tai<\/a> l\u1ea1i ti\u1ec7n h\u01a1n.<\/p>\n<h3>Trang B\u1ecb C\u1ea3 X\u01b0\u1edfng Th\u00ec Ch\u1ecdn Lo\u1ea1i D\u00f9ng L\u1ea1i Hay Lo\u1ea1i D\u00f9ng M\u1ed9t L\u1ea7n?<\/h3>\n<p>Th\u01b0\u1eddng l\u00e0 c\u1ea3 hai ch\u1ea1y song song. Ng\u01b0\u1eddi l\u00e0m c\u1ed1 \u0111\u1ecbnh trong v\u00f9ng \u1ed3n d\u00f9ng lo\u1ea1i c\u00f3 c\u1ee1 ri\u00eang v\u00e0 c\u00f3 s\u1ed5 c\u1ea5p ph\u00e1t; kh\u00e1ch, nh\u00e0 th\u1ea7u v\u00e0 tr\u01b0\u1eddng h\u1ee3p qu\u00ean mang th\u00ec l\u1ea5y lo\u1ea1i d\u00f9ng m\u1ed9t l\u1ea7n \u1edf h\u1ed9p \u0111\u1eb7t t\u1ea1i c\u1eeda.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00fat tai v\u00e0nh ch\u1eb7n d\u00f9ng l\u1ea1i \u0111\u01b0\u1ee3c: ch\u1ecdn c\u1ee1 \u1ed1ng tai, quy tr\u00ecnh r\u1eeda sau ca, b\u1ed1n ph\u00e9p th\u1eed \u0111\u1ec3 bi\u1ebft l\u00fac n\u00e0o ph\u1ea3i b\u1ecf v\u00e0 c\u00e1ch t\u00ednh chi ph\u00ed theo n\u0103m cho m\u1ed9t v\u1ecb tr\u00ed.<\/p>\n","protected":false},"author":969,"featured_media":48104,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6934],"tags":[928,179],"class_list":["post-17640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xoa-gsc","tag-nut-bit-tai","tag-nut-tai-chong-on"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/17640","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=17640"}],"version-history":[{"count":20,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/17640\/revisions"}],"predecessor-version":[{"id":94993,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/17640\/revisions\/94993"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=17640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=17640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=17640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}