{"id":54800,"date":"2022-03-14T13:02:09","date_gmt":"2022-03-14T06:02:09","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=54800"},"modified":"2026-09-08T11:33:20","modified_gmt":"2026-09-08T04:33:20","slug":"ao-bao-ho-phan-quang-y-nghia-va-vai-tro-cua-no","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/ao-bao-ho-phan-quang-y-nghia-va-vai-tro-cua-no\/","title":{"rendered":"\u00c1o B\u1ea3o H\u1ed9 Ph\u1ea3n Quang, \u00dd Ngh\u0129a V\u00e0 Vai Tr\u00f2 C\u1ee7a N\u00f3"},"content":{"rendered":"

M\u1ed9t chi\u1ebfc \u00e1o ph\u1ea3n quang treo trong kho kh\u00f4ng n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec; n\u00f3 ch\u1ec9 c\u00f3 \u00fd ngh\u0129a khi \u0111\u1ee9ng gi\u1eefa lu\u1ed3ng \u0111\u00e8n pha l\u00fac hai gi\u1edd s\u00e1ng. Vai tr\u00f2 \u00e1o b\u1ea3o h\u1ed9 ph\u1ea3n quang l\u00e0 r\u00fat ng\u1eafn qu\u00e3ng th\u1eddi gian t\u1eeb l\u00fac ng\u01b0\u1eddi l\u00e1i xe nh\u00ecn th\u1ea5y b\u00f3ng ng\u01b0\u1eddi t\u1edbi l\u00fac k\u1ecbp nh\u1ea3 ga v\u00e0 \u0111\u1ea1p phanh. B\u00e0i n\u00e0y gi\u1ea3i th\u00edch d\u1ea3i ph\u1ea3n quang l\u00e0m vi\u1ec7c theo nguy\u00ean l\u00fd n\u00e0o, ti\u00eau chu\u1ea9n EN ISO 20471 chia c\u1ea5p ra sao, v\u00e0 m\u1ed9t t\u1ed5 l\u00e0m ngo\u00e0i tr\u1eddi n\u00ean ch\u1ecdn ki\u1ec3u \u00e1o n\u00e0o cho kh\u00ed h\u1eadu n\u00f3ng \u1ea9m.<\/p>\n

Vai Tr\u00f2 \u00c1o B\u1ea3o H\u1ed9 Ph\u1ea3n Quang Trong Ca \u0110\u00eam V\u00e0 Ca S\u01b0\u01a1ng M\u00f9<\/h2>\n

Tai n\u1ea1n gi\u1eefa xe c\u01a1 gi\u1edbi v\u00e0 ng\u01b0\u1eddi \u0111i b\u1ed9 trong khu v\u1ef1c thi c\u00f4ng hi\u1ebfm khi b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c ng\u01b0\u1eddi l\u00e1i xe b\u1ea5t c\u1ea9n. N\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb kho\u1ea3ng l\u1eb7ng v\u00e0i gi\u00e2y khi ng\u01b0\u1eddi l\u00e1i ch\u01b0a t\u00e1ch \u0111\u01b0\u1ee3c b\u00f3ng ng\u01b0\u1eddi ra kh\u1ecfi n\u1ec1n \u0111\u01b0\u1eddng, n\u1ec1n t\u01b0\u1eddng, \u0111\u1ed1ng v\u1eadt li\u1ec7u ph\u00eda sau. Chi\u1ebfc \u00e1o c\u00f3 nhi\u1ec7m v\u1ee5 t\u1ea1o ra m\u1ed9t m\u1ea3ng s\u00e1ng kh\u00f4ng gi\u1ed1ng b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec kh\u00e1c trong khung nh\u00ecn, \u0111\u1ee7 l\u1edbn v\u00e0 \u0111\u1ee7 s\u1edbm \u0111\u1ec3 ng\u01b0\u1eddi l\u00e1i c\u00f2n qu\u00e3ng \u0111\u01b0\u1eddng phanh.<\/p>\n

Ph\u1ea1m vi b\u1ea3o v\u1ec7 c\u1ee7a \u00e1o v\u00ec th\u1ebf r\u1ea5t h\u1eb9p, v\u00e0 gi\u1edbi h\u1ea1n \u1ea5y n\u00ean ghi ngay v\u00e0o b\u1ea3ng c\u1ea5p ph\u00e1t: \u00e1o kh\u00f4ng ch\u1ed1ng va \u0111\u1eadp, kh\u00f4ng ch\u1ed1ng ch\u00e1y, kh\u00f4ng ch\u1ed1ng ho\u00e1 ch\u1ea5t, kh\u00f4ng gi\u1eef ng\u01b0\u1eddi kh\u1ecfi ng\u00e3. N\u00f3 ch\u1ec9 l\u00e0m m\u1ed9t vi\u1ec7c duy nh\u1ea5t l\u00e0 khi\u1ebfn ng\u01b0\u1eddi m\u1eb7c \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y s\u1edbm h\u01a1n. \u1ede c\u00f4ng tr\u01b0\u1eddng, vi\u1ec7c c\u00f2n l\u1ea1i thu\u1ed9c v\u1ec1 m\u0169, gi\u00e0y, d\u00e2y \u0111ai v\u00e0 r\u00e0o ch\u1eafn.<\/p>\n

Nh\u00f3m c\u1ea7n \u00e1o r\u00f5 nh\u1ea5t l\u00e0 t\u1ed5 l\u00e0m \u0111\u01b0\u1eddng, t\u1ed5 \u0111i\u1ec7n l\u1ef1c tr\u1ef1c \u0111\u00eam, nh\u00e2n vi\u00ean s\u00e2n b\u00e3i container, ng\u01b0\u1eddi \u0111i\u1ec1u ti\u1ebft giao th\u00f4ng tr\u01b0\u1edbc c\u1ed5ng nh\u00e0 m\u00e1y, \u0111\u1ed9i c\u1ee9u h\u1ed9 v\u00e0 c\u1ea3 nh\u00e2n vi\u00ean kho h\u00e0ng n\u01a1i xe n\u00e2ng ch\u1ea1y li\u00ean t\u1ee5c trong l\u1ed1i \u0111i h\u1eb9p. \u1ede nh\u1eefng ch\u1ed7 n\u00e0y, h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o c\u1ed1 \u0111\u1ecbnh nh\u01b0 bi\u1ec3n b\u00e1o v\u00e0 c\u1ecdc ti\u00eau ch\u1ec9 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c ph\u1ea7n t\u0129nh, c\u00f2n con ng\u01b0\u1eddi th\u00ec lu\u00f4n di chuy\u1ec3n.<\/p>\n

\"\u00c1o<\/p>\n

D\u1ea3i Ph\u1ea3n Quang H\u1eaft S\u00e1ng Tr\u1edf L\u1ea1i Ngu\u1ed3n, Kh\u00f4ng T\u1ef1 Ph\u00e1t S\u00e1ng<\/h2>\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec3m b\u1ecb hi\u1ec3u sai nhi\u1ec1u nh\u1ea5t. D\u1ea3i ph\u1ea3n quang kh\u00f4ng ph\u00e1t ra \u00e1nh s\u00e1ng c\u1ee7a ri\u00eang n\u00f3 v\u00e0 kh\u00f4ng t\u00edch s\u00e1ng ban ng\u00e0y \u0111\u1ec3 ph\u00e1t v\u00e0o ban \u0111\u00eam. C\u01a1 ch\u1ebf c\u1ee7a n\u00f3 l\u00e0 ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c: ch\u00f9m s\u00e1ng chi\u1ebfu t\u1edbi b\u1ecb b\u1ebb quay l\u1ea1i g\u1ea7n \u0111\u00fang h\u01b0\u1edbng ngu\u1ed3n ph\u00e1t, nh\u1edd l\u1edbp vi h\u1ea1t thu\u1ef7 tinh c\u00f3 m\u1eb7t sau tr\u00e1ng kim lo\u1ea1i ho\u1eb7c nh\u1edd c\u00e1c l\u0103ng k\u00ednh si\u00eau nh\u1ecf \u00e9p tr\u00ean m\u00e0ng.<\/p>\n

H\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf r\u1ea5t quan tr\u1ecdng khi mua h\u00e0ng: trong b\u00f3ng t\u1ed1i ho\u00e0n to\u00e0n, kh\u00f4ng c\u00f3 \u0111\u00e8n xe v\u00e0 kh\u00f4ng c\u00f3 \u0111\u00e8n c\u00f4ng tr\u01b0\u1eddng, chi\u1ebfc \u00e1o g\u1ea7n nh\u01b0 v\u00f4 d\u1ee5ng. N\u00f3 ch\u1ec9 s\u00e1ng l\u00ean v\u1edbi ng\u01b0\u1eddi \u0111ang \u1edf ph\u00eda sau ngu\u1ed3n s\u00e1ng, t\u1ee9c l\u00e0 ng\u01b0\u1eddi l\u00e1i xe. M\u1ed9t ng\u01b0\u1eddi \u0111\u1ee9ng b\u00ean h\u00f4ng, ngo\u00e0i tr\u1ee5c \u0111\u00e8n, s\u1ebd kh\u00f4ng th\u1ea5y d\u1ea3i s\u00e1ng r\u1ef1c nh\u01b0 ng\u01b0\u1eddi l\u00e1i th\u1ea5y. V\u00ec v\u1eady quy tr\u00ecnh l\u00e0m \u0111\u00eam lu\u00f4n ph\u1ea3i c\u00f3 \u0111\u00e8n c\u1ea3nh b\u00e1o v\u00e0 \u0111\u00e8n chi\u1ebfu khu v\u1ef1c, ch\u1ee9 kh\u00f4ng giao h\u1ebft tr\u00e1ch nhi\u1ec7m cho chi\u1ebfc \u00e1o.<\/p>\n

C\u0169ng v\u00ec c\u01a1 ch\u1ebf \u0111\u00f3 m\u00e0 m\u1ecdi th\u1ee9 che ph\u1ee7 m\u1eb7t d\u1ea3i \u0111\u1ec1u l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3: b\u00f9n kh\u00f4, d\u1ea7u m\u1ee1, v\u1eefa xi m\u0103ng, l\u1edbp b\u1ee5i m\u1ecbn b\u00e1m sau v\u00e0i tu\u1ea7n kh\u00f4ng gi\u1eb7t. M\u1ed9t d\u1ea3i b\u1ecb m\u1edd \u0111i v\u1eabn c\u00f2n nguy\u00ean h\u00ecnh d\u1ea1ng n\u00ean nh\u00ecn ban ng\u00e0y kh\u00f4ng th\u1ea5y kh\u00e1c bi\u1ec7t, ch\u1ec9 t\u1edbi \u0111\u00eam m\u1edbi l\u1ed9 ra l\u00e0 \u0111\u00e3 h\u1ecfng.<\/p>\n

Tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 hai h\u1ecd d\u1ea3i ph\u1ed5 bi\u1ebfn v\u00e0 ch\u00fang gi\u00e0 \u0111i theo hai ki\u1ec3u kh\u00e1c nhau. D\u1ea3i ph\u1ee7 vi h\u1ea1t thu\u1ef7 tinh m\u1ec1m, may l\u00ean v\u1ea3i d\u1ec5, ch\u1ecbu g\u1ea5p v\u00e0 ch\u1ecbu gi\u1eb7t kh\u00e1, nh\u01b0ng h\u1ea1t bong d\u1ea7n theo s\u1ed1 l\u1ea7n v\u00f2. D\u1ea3i l\u0103ng k\u00ednh vi m\u00f4 \u00e9p tr\u00ean m\u00e0ng nh\u1ef1a cho \u0111\u1ed9 h\u1eaft s\u00e1ng m\u1ea1nh h\u01a1n \u1edf c\u00f9ng b\u1ec1 r\u1ed9ng, \u0111\u1ed5i l\u1ea1i c\u1ee9ng h\u01a1n, d\u1ec5 g\u00e3y n\u1ebfp n\u1ebfu g\u1ea5p \u00e1o theo \u0111\u00fang m\u1ed9t \u0111\u01b0\u1eddng trong th\u1eddi gian d\u00e0i. T\u1ed5 ph\u1ea3i c\u00fai g\u1eadp ng\u01b0\u1eddi nhi\u1ec1u n\u00ean h\u1ecfi r\u00f5 lo\u1ea1i d\u1ea3i tr\u01b0\u1edbc khi ch\u1ed1t m\u1eabu, v\u00ec \u0111\u00e2y l\u00e0 chi ti\u1ebft quy\u1ebft \u0111\u1ecbnh \u00e1o d\u00f9ng \u0111\u01b0\u1ee3c bao l\u00e2u ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ea3i th\u00e2n.<\/p>\n

EN ISO 20471 Chia Ba Class Theo Di\u1ec7n T\u00edch V\u1eadt Li\u1ec7u<\/h2>\n

EN ISO 20471 l\u00e0 ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u \u0111ang c\u00f3 hi\u1ec7u l\u1ef1c cho qu\u1ea7n \u00e1o c\u1ea3nh b\u00e1o \u0111\u1ed9 nh\u00ecn th\u1ea5y cao, thay cho EN 471 c\u0169. \u0110i\u1ec3m c\u1ea7n n\u1eafm l\u00e0 ti\u00eau chu\u1ea9n n\u00e0y x\u1ebfp s\u1ea3n ph\u1ea9m v\u00e0o ba class d\u1ef1a tr\u00ean di\u1ec7n t\u00edch t\u1ed1i thi\u1ec3u c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n hu\u1ef3nh quang v\u00e0 v\u1eadt li\u1ec7u ph\u1ea3n quang c\u00f3 tr\u00ean m\u1ed9t b\u1ed9 trang ph\u1ee5c. Class 1 th\u1ea5p nh\u1ea5t, Class 3 cao nh\u1ea5t.<\/p>\n

C\u00e1ch quy \u0111\u1ed5i ra \u0111\u1eddi s\u1ed1ng r\u1ea5t \u0111\u01a1n gi\u1ea3n: t\u1ed1c \u0111\u1ed9 ph\u01b0\u01a1ng ti\u1ec7n quanh ch\u1ed7 l\u00e0m c\u00e0ng cao, th\u1eddi gian ph\u1ea3n \u1ee9ng c\u00e0ng ng\u1eafn, th\u00ec class c\u1ea7n c\u00e0ng cao. \u00c1o gi-l\u00ea m\u1ecfng ch\u1ec9 c\u00f3 hai v\u00f2ng d\u1ea3i quanh th\u00e2n th\u01b0\u1eddng n\u1eb1m \u1edf nh\u00f3m th\u1ea5p, ph\u00f9 h\u1ee3p b\u00e3i \u0111\u1ed7 ho\u1eb7c kho n\u1ed9i b\u1ed9. C\u00f4ng vi\u1ec7c s\u00e1t l\u00e0n xe ch\u1ea1y t\u1ed1c \u0111\u1ed9 cao c\u1ea7n b\u1ed9 c\u00f3 c\u1ea3 \u00e1o d\u00e0i tay v\u00e0 qu\u1ea7n c\u00f9ng \u0111\u1ea1t chu\u1ea9n, v\u00ec di\u1ec7n t\u00edch v\u1eadt li\u1ec7u tr\u00ean ri\u00eang chi\u1ebfc gi-l\u00ea kh\u00f4ng \u0111\u1ee7.<\/p>\n

Khi \u0111\u1eb7t h\u00e0ng, \u0111\u1eebng nh\u1eadn c\u00e2u tr\u1ea3 l\u1eddi chung chung ki\u1ec3u h\u00e0ng \u0111\u1ea1t ti\u00eau chu\u1ea9n. H\u00e3y y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p ghi r\u00f5 s\u1ed1 hi\u1ec7u ti\u00eau chu\u1ea9n, class c\u00f4ng b\u1ed1 v\u00e0 t\u00ean ph\u00f2ng th\u1eed nghi\u1ec7m v\u00e0o h\u1ee3p \u0111\u1ed3ng, k\u00e8m k\u1ebft qu\u1ea3 th\u1eed c\u1ee7a \u0111\u00fang l\u00f4 v\u1ea3i v\u00e0 \u0111\u00fang lo\u1ea1i d\u1ea3i s\u1ebd giao. Kh\u00f4ng c\u00f3 gi\u1ea5y t\u1edd th\u00ec coi nh\u01b0 kh\u00f4ng c\u00f3 class, d\u00f9 chi\u1ebfc \u00e1o nh\u00ecn gi\u1ed1ng h\u1ec7t h\u00e0ng \u0111\u1ea1t chu\u1ea9n. Quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan an to\u00e0n lao \u0111\u1ed9ng Hoa K\u1ef3 v\u1ec1 ng\u01b0\u1eddi \u0111i\u1ec1u ti\u1ebft giao th\u00f4ng c\u0169ng \u0111i theo h\u01b0\u1edbng b\u1eaft bu\u1ed9c trang ph\u1ee5c c\u1ea3nh b\u00e1o theo t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, c\u00f3 th\u1ec3 tham kh\u1ea3o t\u1ea1i \u0111i\u1ec1u kho\u1ea3n 1926.201 c\u1ee7a OSHA<\/a>.<\/p>\n

Nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3 gi\u1eb7t t\u1ed1i \u0111a m\u00e0 b\u1ed9 trang ph\u1ee5c c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c m\u1ee9c ph\u1ea3n quang \u0111\u00e3 th\u1eed, v\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n ti\u00eau chu\u1ea9n ph\u1ea3i h\u1ecfi nh\u00e0 cung c\u1ea5p khi mua h\u00e0ng. Con s\u1ed1 n\u00e0y in tr\u00ean nh\u00e3n ho\u1eb7c ghi trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt, v\u00e0 n\u00f3 l\u00e0 c\u0103n c\u1ee9 duy nh\u1ea5t \u0111\u1ec3 b\u1ed9 ph\u1eadn qu\u1ea3n l\u00fd bi\u1ebft khi n\u00e0o ph\u1ea3i lo\u1ea1i \u00e1o. N\u1ebfu nh\u00e0 cung c\u1ea5p kh\u00f4ng \u0111\u01b0a \u0111\u01b0\u1ee3c con s\u1ed1 \u0111\u00f3, ngh\u0129a l\u00e0 kh\u00f4ng ai bi\u1ebft chi\u1ebfc \u00e1o c\u00f2n \u0111\u1ea1t c\u1ea5p b\u1ea3o v\u1ec7 t\u1edbi l\u1ea7n gi\u1eb7t th\u1ee9 m\u1ea5y, v\u00e0 m\u1ecdi l\u1ecbch thay \u00e1o sau \u0111\u00f3 ch\u1ec9 l\u00e0 ph\u1ecfng \u0111o\u00e1n.<\/p>\n

\"B\u1ea3n<\/p>\n

N\u1ec1n Hu\u1ef3nh Quang Ban Ng\u00e0y Kh\u00e1c D\u1ea3i Ph\u1ea3n Quang Ban \u0110\u00eam<\/h2>\n

M\u1ed9t b\u1ed9 trang ph\u1ee5c c\u1ea3nh b\u00e1o c\u00f3 hai b\u1ed9 ph\u1eadn l\u00e0m hai vi\u1ec7c kh\u00e1c nhau v\u00e0o hai th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau. Ph\u1ea7n v\u1ea3i n\u1ec1n m\u00e0u r\u1ef1c l\u00e0 v\u1eadt li\u1ec7u hu\u1ef3nh quang: n\u00f3 \u0103n tia c\u1ef1c t\u00edm trong \u00e1nh s\u00e1ng ban ng\u00e0y r\u1ed3i tr\u1ea3 l\u1ea1i \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c, n\u00ean v\u00e0o l\u00fac ch\u1ea1ng v\u1ea1ng ho\u1eb7c tr\u1eddi m\u01b0a m\u00f9, m\u1ea3ng v\u1ea3i tr\u00f4ng s\u00e1ng h\u01a1n h\u1eb3n m\u1ecdi v\u1eadt xung quanh. Ph\u1ea7n d\u1ea3i b\u1ea1c l\u00e0 v\u1eadt li\u1ec7u ph\u1ea3n quang, l\u00e0m vi\u1ec7c v\u00e0o ban \u0111\u00eam khi c\u00f3 \u0111\u00e8n chi\u1ebfu t\u1edbi.<\/p>\n

Hi\u1ec3u t\u00e1ch b\u1ea1ch hai ph\u1ea7n n\u00e0y gi\u00fap tr\u00e1nh m\u1ed9t sai l\u1ea7m hay g\u1eb7p: mua \u00e1o c\u00f3 r\u1ea5t nhi\u1ec1u d\u1ea3i b\u1ea1c nh\u01b0ng n\u1ec1n v\u1ea3i \u0111\u00e3 b\u1ea1c m\u00e0u sau v\u00e0i th\u00e1ng ph\u01a1i n\u1eafng. Ban \u0111\u00eam \u00e1o v\u1eabn \u1ed5n, nh\u01b0ng ca chi\u1ec1u t\u1ed1i v\u00e0 ca ng\u00e0y m\u01b0a th\u00ec g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f2n t\u00e1c d\u1ee5ng c\u1ea3nh b\u00e1o. M\u00e0u n\u1ec1n phai l\u00e0 d\u1ea5u hi\u1ec7u v\u1eadt li\u1ec7u hu\u1ef3nh quang \u0111\u00e3 suy gi\u1ea3m, v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o ph\u1ee5c h\u1ed3i.<\/p>\n

\u0110\u00f3 c\u0169ng l\u00e0 l\u00fd do \u0111\u1eebng ch\u1ecdn \u00e1o theo c\u1ea3m gi\u00e1c \u0111\u1eb9p m\u1eaft trong kho. H\u00e3y mang m\u1eabu ra ngo\u00e0i tr\u1eddi l\u00fac g\u1ea7n t\u1ed1i v\u00e0 nh\u00ecn t\u1eeb kho\u1ea3ng c\u00e1ch v\u00e0i ch\u1ee5c m\u00e9t, r\u1ed3i soi l\u1ea1i b\u1eb1ng \u0111\u00e8n pin \u0111i\u1ec7n tho\u1ea1i t\u1eeb xa \u0111\u1ec3 ki\u1ec3m ph\u1ea7n d\u1ea3i. Hai ph\u00e9p th\u1eed th\u00f4 s\u01a1 n\u00e0y \u0111\u00e3 lo\u1ea1i \u0111\u01b0\u1ee3c ph\u1ea7n l\u1edbn h\u00e0ng k\u00e9m ngay t\u1ea1i ch\u1ed7.<\/p>\n

Ch\u1ecdn V\u1ea3i Th\u00e2n \u00c1o V\u00e0 Ki\u1ec3u May Cho Kh\u00ed H\u1eadu N\u00f3ng \u1ea8m<\/h2>\n

\u1ede Vi\u1ec7t Nam, k\u1ebb th\u00f9 l\u1edbn nh\u1ea5t c\u1ee7a chi\u1ebfc \u00e1o c\u1ea3nh b\u00e1o kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed9 b\u1ec1n m\u00e0 l\u00e0 m\u1ed3 h\u00f4i. \u00c1o c\u00e0ng \u0111\u00fang chu\u1ea9n th\u00ec di\u1ec7n t\u00edch v\u1eadt li\u1ec7u c\u00e0ng l\u1edbn, c\u00e0ng b\u00ed. Ng\u01b0\u1eddi m\u1eb7c th\u1ea5y n\u00f3ng s\u1ebd c\u1edfi ra v\u1eaft l\u00ean vai ho\u1eb7c c\u1ed9t ngang b\u1ee5ng, v\u00e0 l\u00fac \u0111\u00f3 to\u00e0n b\u1ed9 t\u00ednh n\u0103ng c\u1ea3nh b\u00e1o bi\u1ebfn m\u1ea5t d\u00f9 chi\u1ebfc \u00e1o v\u1eabn c\u00f2n nguy\u00ean trong ca.<\/p>\n

V\u00ec v\u1eady ki\u1ec3u d\u1ec7t c\u1ee7a th\u00e2n \u00e1o \u0111\u00e1ng quan t\u00e2m ngang v\u1edbi d\u1ea3i ph\u1ea3n quang. Lo\u1ea1i l\u01b0\u1edbi tho\u00e1ng ph\u00f9 h\u1ee3p cho t\u1ed5 \u0111i b\u1ed9 ngo\u00e0i n\u1eafng g\u1eaft v\u00e0 m\u1eb7c ch\u1ed3ng l\u00ean \u00e1o thun. Lo\u1ea1i v\u1ea3i d\u1ec7t k\u00edn, th\u01b0\u1eddng l\u00e0 polyester ho\u1eb7c pha cotton, gi\u1eef form t\u1ed1t h\u01a1n v\u00e0 b\u00e1m d\u1ea3i ch\u1eafc h\u01a1n, h\u1ee3p cho nh\u00e2n s\u1ef1 tr\u1ef1c tr\u1ea1m hay ng\u1ed3i tr\u00ean thi\u1ebft b\u1ecb. N\u1ebfu t\u1ed5 ph\u1ea3i l\u00e0m c\u1ea3 khi m\u01b0a, n\u00ean h\u1ecfi th\u00eam v\u1ec1 l\u1edbp tr\u00e1ng v\u00e0 \u0111\u01b0\u1eddng may k\u00edn n\u01b0\u1edbc \u1edf vai.<\/p>\n

V\u1ec1 ki\u1ec3u d\u00e1ng, gi-l\u00ea m\u1eb7c ngo\u00e0i l\u00e0 l\u1ef1a ch\u1ecdn linh ho\u1ea1t nh\u1ea5t v\u00ec c\u1ea5p ph\u00e1t chung \u0111\u01b0\u1ee3c cho nhi\u1ec1u v\u00f3c d\u00e1ng v\u00e0 gi\u1eb7t ri\u00eang d\u1ec5. \u00c1o d\u00e0i tay li\u1ec1n th\u00e2n b\u1ea3o v\u1ec7 da kh\u1ecfi n\u1eafng t\u1ed1t h\u01a1n nh\u01b0ng ph\u1ea3i ch\u1ecdn size s\u00e1t ng\u01b0\u1eddi h\u01a1n. V\u1edbi \u0111\u1ed9i h\u00ecnh c\u1ed1 \u0111\u1ecbnh l\u00e2u d\u00e0i, \u0111\u1eb7t may c\u00f9ng b\u1ed9 \u0111\u1ed3ng ph\u1ee5c lao \u0111\u1ed9ng<\/a> theo ph\u00f2ng ban gi\u00fap th\u1ed1ng nh\u1ea5t m\u00e0u n\u1ec1n v\u00e0 v\u1ecb tr\u00ed in t\u00ean, tr\u00e1nh c\u1ea3nh m\u1ed7i ng\u01b0\u1eddi m\u1ed9t ki\u1ec3u. C\u00e1c d\u00f2ng \u00e1o, qu\u1ea7n li\u1ec1n b\u1ed9 d\u00f9ng cho c\u00f4ng \u0111o\u1ea1n kh\u00e1c \u0111\u01b0\u1ee3c x\u1ebfp trong nh\u00f3m qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9 chuy\u00ean d\u1ee5ng<\/a>.<\/p>\n

\"\u00c1o<\/p>\n

Gi\u1eb7t, Ki\u1ec3m Tra V\u00e0 D\u1ea5u Hi\u1ec7u Ph\u1ea3i Thay \u00c1o<\/h2>\n

D\u1ea3i ph\u1ea3n quang h\u1ecfng v\u00ec nhi\u1ec7t v\u00e0 v\u00ec ma s\u00e1t nhi\u1ec1u h\u01a1n v\u00ec th\u1eddi gian. Gi\u1eb7t n\u01b0\u1edbc m\u00e1t \u1edf ch\u1ebf \u0111\u1ed9 nh\u1eb9, kh\u00f4ng d\u00f9ng ch\u1ea5t t\u1ea9y m\u1ea1nh, kh\u00f4ng s\u1ea5y n\u00f3ng v\u00e0 kh\u00f4ng l\u00e0 b\u00e0n \u1ee7i tr\u1ef1c ti\u1ebfp l\u00ean m\u1eb7t d\u1ea3i. V\u00f2 m\u1ea1nh hay ch\u00e0 b\u00e0n ch\u1ea3i l\u00ean d\u1ea3i s\u1ebd b\u00f3c l\u1edbp vi h\u1ea1t ra t\u1eebng m\u1ea3ng nh\u1ecf m\u00e0 m\u1eaft th\u01b0\u1eddng kh\u00f3 th\u1ea5y.<\/p>\n

N\u00ean \u0111\u01b0a vi\u1ec7c ki\u1ec3m \u00e1o v\u00e0o l\u1ecbch giao ca thay v\u00ec \u0111\u1ee3i t\u1edbi \u0111\u1ee3t ki\u1ec3m k\u00ea. Ba d\u1ea5u hi\u1ec7u ph\u1ea3i thay ngay: m\u1eb7t d\u1ea3i chuy\u1ec3n sang x\u00e1m \u0111\u1ee5c v\u00e0 kh\u00f4ng c\u00f2n b\u1eaft \u0111\u00e8n khi soi t\u1eeb xa; n\u1ec1n v\u1ea3i phai t\u1edbi m\u1ee9c nh\u00ecn g\u1ea7n gi\u1ed1ng m\u00e0u v\u1ea3i th\u01b0\u1eddng; \u0111\u01b0\u1eddng may quanh d\u1ea3i bung khi\u1ebfn d\u1ea3i cong v\u00eanh kh\u1ecfi th\u00e2n \u00e1o. V\u1ebft r\u00e1ch xuy\u00ean qua d\u1ea3i c\u0169ng l\u00e0 l\u00fd do lo\u1ea1i, v\u00ec m\u00e9p r\u00e1ch s\u1ebd ti\u1ebfp t\u1ee5c t\u00e1ch r\u1ed9ng sau m\u1ed7i l\u1ea7n gi\u1eb7t.<\/p>\n

M\u1ed9t c\u00e1ch qu\u1ea3n l\u00fd \u0111\u01a1n gi\u1ea3n cho t\u1ed5 \u0111\u00f4ng ng\u01b0\u1eddi l\u00e0 ghi th\u00e1ng c\u1ea5p ph\u00e1t b\u1eb1ng b\u00fat v\u1ea3i l\u00ean m\u1eb7t trong g\u1ea5u \u00e1o. Khi r\u00e0 so\u00e1t, ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch bi\u1ebft ngay chi\u1ebfc n\u00e0o \u0111\u00e3 qua bao nhi\u00eau chu k\u1ef3 gi\u1eb7t, thay v\u00ec ph\u00e1n \u0111o\u00e1n b\u1eb1ng m\u1eaft. \u00c1o d\u1ef1 ph\u00f2ng n\u00ean \u0111\u1ec3 trong t\u00fai k\u00edn, tr\u00e1nh ph\u01a1i ch\u1ed3ng ngo\u00e0i n\u1eafng cho t\u1edbi khi d\u00f9ng.<\/p>\n

V\u1edbi t\u1ed5 \u0111\u00f4ng ng\u01b0\u1eddi, gi\u1eb7t t\u1eadp trung ti\u1ebft ki\u1ec7m c\u00f4ng h\u01a1n nh\u01b0ng ph\u1ea3i t\u00e1ch \u00e1o c\u1ea3nh b\u00e1o ra kh\u1ecfi m\u1ebb chung. Qu\u1ea7n \u00e1o d\u00ednh d\u1ea7u m\u1ee1 gi\u1eb7t c\u00f9ng s\u1ebd \u0111\u1ea9y d\u1ea7u b\u00e1m sang m\u1eb7t d\u1ea3i, c\u00f2n n\u01b0\u1edbc x\u1ea3 v\u1ea3i \u0111\u1ec3 l\u1ea1i m\u00e0ng m\u1ecfng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng h\u1eaft s\u00e1ng. N\u1ebfu thu\u00ea d\u1ecbch v\u1ee5 gi\u1eb7t b\u00ean ngo\u00e0i, ghi r\u00f5 trong h\u1ee3p \u0111\u1ed3ng nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, m\u1ee9c c\u1ea5m d\u00f9ng thu\u1ed1c t\u1ea9y v\u00e0 c\u1ea5m s\u1ea5y n\u00f3ng; \u0111\u00e2y l\u00e0 ba vi\u1ec7c d\u1ecbch v\u1ee5 gi\u1eb7t c\u00f4ng nghi\u1ec7p hay l\u00e0m theo th\u00f3i quen v\u00e0 l\u00e0m h\u1ecfng c\u1ea3 l\u00f4 \u00e1o ch\u1ec9 sau v\u00e0i m\u1ebb.<\/p>\n

C\u1ea5p Ph\u00e1t Theo T\u1ed5 V\u00e0 \u0110i\u1ec3m Ki\u1ec3m Tr\u01b0\u1edbc Khi K\u00fd Nh\u1eadn<\/h2>\n

\u0110\u1ecbnh m\u1ee9c th\u1ef1c t\u1ebf th\u01b0\u1eddng t\u00ednh theo hai \u00e1o cho m\u1ed7i ng\u01b0\u1eddi trong t\u1ed5 l\u00e0m ngo\u00e0i tr\u1eddi li\u00ean t\u1ee5c, \u0111\u1ec3 lu\u00e2n phi\u00ean gi\u1eb7t m\u00e0 kh\u00f4ng c\u00f3 ca n\u00e0o thi\u1ebfu \u00e1o. T\u1ed5 l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1eb7c ch\u1ec9 ra hi\u1ec7n tr\u01b0\u1eddng v\u00e0i bu\u1ed5i m\u1ed7i tu\u1ea7n c\u00f3 th\u1ec3 gi\u1eef m\u1ed9t \u00e1o m\u1ed7i ng\u01b0\u1eddi k\u00e8m m\u1ed9t t\u1ec9 l\u1ec7 d\u1ef1 ph\u00f2ng chung cho c\u1ea3 t\u1ed5. N\u00ean \u0111\u1eb7t k\u00e8m v\u00e0i size l\u1edbn h\u01a1n m\u1ee9c trung b\u00ecnh, v\u00ec \u00e1o c\u1ea3nh b\u00e1o hay \u0111\u01b0\u1ee3c m\u1eb7c ch\u1ed3ng l\u00ean \u00e1o kho\u00e1c v\u00e0o m\u00f9a l\u1ea1nh v\u00e0 m\u00f9a m\u01b0a.<\/p>\n

Khi nh\u1eadn l\u00f4, m\u1edf ng\u1eabu nhi\u00ean c\u00e1c g\u00f3i \u1edf nhi\u1ec1u v\u1ecb tr\u00ed trong ki\u1ec7n, \u0111\u1ebfm s\u1ed1 v\u00f2ng d\u1ea3i v\u00e0 \u0111o b\u1ec1 r\u1ed9ng d\u1ea3i xem c\u00f3 kh\u1edbp m\u1eabu \u0111\u00e3 duy\u1ec7t kh\u00f4ng, k\u00e9o th\u1eed \u0111\u01b0\u1eddng may n\u1ed1i d\u1ea3i \u1edf vai v\u00e0 eo. \u0110\u00e2y l\u00e0 hai ch\u1ed7 ch\u1ecbu l\u1ef1c nhi\u1ec1u nh\u1ea5t khi ng\u01b0\u1eddi m\u1eb7c v\u01b0\u01a1n tay. N\u1ebfu l\u00f4 c\u00f3 in logo, ki\u1ec3m lu\u00f4n xem h\u00ecnh in c\u00f3 \u0111\u00e8 l\u00ean d\u1ea3i ph\u1ea3n quang hay kh\u00f4ng, v\u00ec m\u1ea3ng in che d\u1ea3i s\u1ebd l\u00e0m h\u1ee5t di\u1ec7n t\u00edch v\u1eadt li\u1ec7u so v\u1edbi class \u0111\u00e3 cam k\u1ebft.<\/p>\n

Cu\u1ed1i c\u00f9ng, chi\u1ebfc \u00e1o ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 c\u1ea3nh b\u00e1o t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. H\u00e0ng r\u00e0o, \u0111\u00e8n nh\u00e1y, c\u1ecdc ti\u00eau v\u00e0 bi\u1ec3n h\u01b0\u1edbng d\u1eabn trong nh\u00f3m thi\u1ebft b\u1ecb c\u1ea3nh b\u00e1o giao th\u00f4ng<\/a> m\u1edbi l\u00e0 th\u1ee9 b\u00e1o cho ng\u01b0\u1eddi l\u00e1i bi\u1ebft ph\u00eda tr\u01b0\u1edbc c\u00f3 c\u00f4ng tr\u01b0\u1eddng, c\u00f2n chi\u1ebfc \u00e1o b\u00e1o cho h\u1ecd bi\u1ebft trong c\u00f4ng tr\u01b0\u1eddng \u0111\u00f3 \u0111ang c\u00f3 ng\u01b0\u1eddi. Thi\u1ebfu m\u1ed9t trong hai, ph\u1ea7n c\u00f2n l\u1ea1i ph\u1ea3i l\u00e0m vi\u1ec7c qu\u00e1 s\u1ee9c c\u1ee7a n\u00f3.<\/p>\n

\"B\u1ed9<\/p>\n","protected":false},"excerpt":{"rendered":"

D\u1ea3i ph\u1ea3n quang h\u1eaft s\u00e1ng tr\u1edf l\u1ea1i ngu\u1ed3n chi\u1ebfu ch\u1ee9 kh\u00f4ng t\u1ef1 ph\u00e1t s\u00e1ng, n\u00ean trong b\u00f3ng t\u1ed1i kh\u00f4ng \u0111\u00e8n th\u00ec \u00e1o g\u1ea7n nh\u01b0 v\u00f4 d\u1ee5ng. B\u00e0i vi\u1ebft n\u00eau c\u00e1ch EN ISO 20471 chia ba class theo di\u1ec7n t\u00edch v\u1eadt li\u1ec7u, c\u00e1ch ph\u00e2n bi\u1ec7t n\u1ec1n hu\u1ef3nh quang v\u1edbi d\u1ea3i ph\u1ea3n quang, v\u00e0 d\u1ea5u hi\u1ec7u ph\u1ea3i thay \u00e1o. <\/p>\n","protected":false},"author":761,"featured_media":74724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6919,5382,6351,1],"tags":[282,6941,1011],"class_list":["post-54800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-bai-co-traffic","category-hoi-dap-su-kien","category-review-san-pham","category-tin-tuc","tag-ao-bao-ho-phan-quang","tag-ao-bao-ho-phan-quang-cao-cap","tag-do-bao-ho-chat-luong"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/54800","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=54800"}],"version-history":[{"count":21,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/54800\/revisions"}],"predecessor-version":[{"id":97879,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/54800\/revisions\/97879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/74724"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=54800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=54800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=54800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}