{"id":2083,"date":"2021-02-27T15:32:42","date_gmt":"2021-02-27T08:32:42","guid":{"rendered":"https:\/\/cachnhiethagia.com\/?p=2083"},"modified":"2021-03-16T10:04:28","modified_gmt":"2021-03-16T03:04:28","slug":"tim-hieu-ve-vat-lieu-bao-on","status":"publish","type":"post","link":"https:\/\/cachnhiethagia.com\/?p=2083","title":{"rendered":"T\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 v\u1eadt li\u1ec7u b\u1ea3o \u00f4n"},"content":{"rendered":"

V\u1eadt li\u1ec7u b\u1ea3o \u00f4n<\/span>\u00a0<\/strong>l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef chuy\u00ean ng\u00e0nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 \u0111i\u1ec7n l\u1ea1nh, c\u01a1 kh\u00ed, ch\u1ebf t\u1ea1o m\u00e1y hay x\u00e2y d\u1ef1ng nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 cho kh\u00f4ng gian c\u1ee7a m\u1ed9t c\u00f4ng tr\u00ecnh.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u b\u1ea3o \u00f4n hay t\u00edch h\u1ee3p ch\u00fang v\u00e0o trong c\u00e1c s\u1ea3n ph\u1ea9m gi\u00fap gia t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n c\u0169ng nh\u01b0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng lan truy\u1ec1n ho\u1eb7c th\u1ea5t tho\u00e1t nhi\u1ec7t \u0111\u1ed9, gi\u00fap c\u00f4ng tr\u00ecnh kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i v\u00e0 lu\u00f4n duy tr\u00ec \u0111\u01b0\u1ee3c c\u00f4ng n\u0103ng v\u1ed1n c\u00f3 (nh\u01b0 gi\u1eef l\u1ea1nh, l\u00e0m m\u00e1t\u2026).<\/p>\n

\"\"<\/p>\n

\u0110\u1ec3 gi\u00fap c\u00e1c b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng t\u00ednh n\u0103ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t c\u0169ng nh\u01b0 c\u00e1ch \u1ee9ng d\u1ee5ng n\u00f3 v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng thi\u1ebft th\u1ef1c trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y c\u1ee7a ch\u00fang ta. H\u00e0 Gia\u00a0xin \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp m\u1ed9t s\u1ed1 th\u00f4ng tin li\u00ean quan v\u00e0 gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 c\u00e1c s\u1ea3n ph\u1ea9m v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t v\u00f4 c\u00f9ng \u01b0u vi\u1ec7t m\u00e0 c\u00f4ng ty \u0111ang ph\u00e2n ph\u1ed1i.<\/p>\n

T\u1ed5ng quan v\u1ec1 v\u1eadt li\u1ec7u b\u1ea3o \u00f4n – c\u00e1ch nhi\u1ec7t<\/span><\/h2>\n

1.1. Gi\u1edbi thi\u1ec7u v\u00e0 m\u00f4 t\u1ea3 chung v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u b\u1ea3o \u00f4n – c\u00e1ch nhi\u1ec7t<\/span><\/h3>\n
    \n
  • V\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu xu th\u1ebf \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u01b0u trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, l\u00e0m m\u00e1t hay th\u1eadm ch\u00ed l\u00e0 ch\u1ed1ng n\u00f3ng cho nh\u1eefng ki\u1ebfn tr\u00fac x\u00e2y d\u1ef1ng c\u00f3 quy m\u00f4 l\u1edbn. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y c\u00f3 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u00ean trong c\u00f4ng tr\u00ecnh. V\u00ec th\u1ebf, n\u00f3 s\u1ebd gi\u00fap gi\u1ea3m thi\u1ec3u n\u0103ng l\u01b0\u1ee3ng v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 th\u1ed1ng hay t\u00f2a nh\u00e0 v\u00e0 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c c\u00e1c kho\u1ea3n chi ph\u00ed kh\u00f4ng h\u1ec1 nh\u1ecf nh\u01b0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi ho\u1eb7c l\u00e0m m\u00e1t.<\/li>\n
  • V\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t s\u1ebd gia t\u0103ng hi\u1ec7u n\u0103ng nhi\u1ec7t t\u1ea1i c\u00e1c b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng hay t\u00f2a nh\u00e0, n\u01a1i tr\u1ef1c ti\u1ebfp ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i b\u1eb1ng c\u00e1ch gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng nhi\u1ec7t nh\u1eadn v\u00e0o trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft n\u00f3ng c\u0169ng nh\u01b0 gi\u1ea3m l\u01b0\u1ee3ng nhi\u1ec7t t\u1ecfa ra khi th\u1eddi ti\u1ebft l\u1ea1nh h\u01a1n.<\/li>\n<\/ul>\n

    1.2. Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u b\u1ea3o \u00f4n – c\u00e1ch nhi\u1ec7t ph\u1ed5 bi\u1ebfn<\/span><\/h3>\n

    C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c mua b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay. Tuy nhi\u00ean, ta c\u00f3 th\u1ec3 ph\u00e2n lo\u1ea1i ch\u00fang d\u1ef1a tr\u00ean nh\u1eefng h\u1ee3p ch\u1ea5t v\u00e0 th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng cho ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng. Trong gi\u1edbi h\u1ea1n b\u00e0i vi\u1ebft n\u00e0y, H\u00e0 Gia xin \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n 3 lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n tai<\/p>\n

      \n
    • S\u1ee3i th\u1ee7y tinh (Fiberglass):<\/strong>\u00a0c\u00f3 l\u1ebd \u0111\u00e2y ch\u00ednh l\u00e0 th\u00e0nh ph\u1ea7n ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay. L\u1ee3i th\u1ebf l\u1edbn nh\u1ea5t c\u1ee7a lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y ch\u00ednh l\u00e0 gi\u00e1 th\u00e0nh v\u00ec n\u00f3 r\u1ebb h\u01a1n m\u1ecdi ch\u1ea5t li\u1ec7u kh\u00e1c x\u00e9t tr\u00ean ph\u01b0\u01a1ng di\u1ec7n chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng v\u1ec1 nhi\u1ec7t. M\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c l\u00e0 ch\u1ea5t li\u1ec7u n\u00e0y c\u0169ng kh\u00f4ng ch\u00e1y. Ch\u1ea5t li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1eb1ng c\u00e1ch \u0111an c\u00e1c s\u1ee3i th\u1ee7y tinh m\u1ea3nh l\u1ea1i v\u1edbi nhau. Tuy nhi\u00ean, b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o nh\u1eefng trang b\u1ecb b\u1ea3o h\u1ed9 c\u1ea7n thi\u1ebft khi l\u1eafp \u0111\u1eb7t lo\u1ea1i ch\u1ea5t li\u1ec7u n\u00e0y v\u00ec b\u1ed9t c\u0169ng nh\u01b0 c\u00e1c m\u1ea3nh nh\u1ecf c\u1ee7a th\u1ee7y tinh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i t\u1edbi da, m\u1eaft hay th\u1eadm ch\u00ed l\u00e0 ph\u1ed5i.<\/li>\n
    • B\u00f4ng c\u00e1ch nhi\u1ec7t \/ B\u00f4ng kho\u00e1ng (Mineral Wool):<\/strong>\u00a0<\/strong>xu\u1ea5t hi\u1ec7n trong m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m b\u1ea3o \u00f4n. Lo\u1ea1i ch\u1ea5t li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb nh\u1eefng s\u1ee3i th\u1ee7y tinh m\u1ecfng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb th\u1ee7y tinh t\u00e1i ch\u1ebf hay t\u1eeb m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t c\u00f3 t\u00ean g\u1ecdi l\u00e0 bazan (ph\u1ed5 bi\u1ebfn \u1edf T\u00e2y Nguy\u00ean n\u01b0\u1edbc ta). V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n \u1edf hai d\u1ea1ng r\u1eafn (v\u00f3n nh\u01b0 \u0111\u1ea5t s\u00e9t) ho\u1eb7c l\u1ecfng x\u1ed1p. V\u00ec kh\u00f4ng c\u00f3 ph\u1ee5 gia \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ch\u1ea5t li\u1ec7u n\u00e0y kh\u00f4ng th\u1ec3 ch\u1ed1ng ch\u00e1y.<\/li>\n
    • Polystyrene:<\/strong>\u00a0L\u00e0 m\u1ed9t d\u1ea1ng Polime t\u1ed5ng h\u1ee3p b\u1edfi qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p Styrene, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m nh\u1ef1a. Ch\u1ea5t li\u1ec7u n\u00e0y hay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a ch\u1ea5t m\u00e0u, ph\u1ee5 gia v\u00e0 c\u00e1c h\u00ecnh th\u1ee9c kh\u00e1c c\u1ee7a nh\u1ef1a \u0111\u1ec3 s\u1ea3n xu\u1ea5t h\u00e0ng h\u00f3a nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hay ph\u1ee5 t\u00f9ng xe.<\/li>\n<\/ul>\n

      1.3. Nh\u1eefng \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t:<\/span><\/h3>\n

      V\u1edbi nh\u1eefng t\u00ednh n\u0103ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u00ecnh, v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u1ee5c \u0111\u00edch c\u00e1ch nhi\u1ec7t trong c\u00e1c c\u01a1 s\u1edf v\u00e0 nh\u00e0 \u1edf nh\u01b0:<\/p>\n

        \n
      • Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t bao b\u00ec th\u1ef1c ph\u1ea9m<\/li>\n
      • Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m, c\u00f4ng ngh\u1ec7 sinh h\u1ecdc<\/li>\n
      • Kho l\u1ea1nh, kh\u00f4ng \u0111\u00f4ng ch\u1ee9a nguy\u00ean li\u1ec7u, th\u1ef1c ph\u1ea9m<\/li>\n
      • Nh\u00e0 b\u1ebfp c\u00f4ng nghi\u1ec7p, kh\u00e1ch s\u1ea1n<\/li>\n
      • C\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, l\u00e0m l\u1ea1nh trong khu d\u00e2n c\u01b0 hay t\u00f2a nh\u00e0<\/li>\n<\/ul>\n

        \"\"<\/p>\n

        2. Nh\u1eefng thu\u1ed9c t\u00ednh c\u1ea7n l\u01b0u \u00fd khi\u00a0mua v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t<\/strong><\/span><\/h2>\n
          \n
        • Kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t:\u00a0<\/strong>B\u1ea5t k\u1ec3 \u1edf tr\u1ea1ng th\u00e1i v\u1eadt ch\u1ea5t n\u00e0o (r\u1eafn, l\u1ecfng, h\u01a1i), v\u1eadt li\u1ec7u b\u1ea3o \u00f4n c\u0169ng c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1ecfa truy\u1ec1n qua b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u \u0111\u00f3. \u0110\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0111\u01a1n v\u1ecb W\/mK. \u0110\u1ec3 c\u00e1c b\u1ea1n d\u1ec5 h\u00ecnh dung th\u00ec \u0111\u1ed3ng c\u00f3 h\u1ec7 su\u1ea5t d\u1eabn nhi\u1ec7t l\u00e0 400W\/mK, c\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch \u0111i\u1ec7n t\u1ed1t s\u1ebd c\u00f3 h\u1ec7 su\u1ea5t tr\u1edf nhi\u1ec7t v\u00e0o kho\u1ea3ng 0.019W\/mK t\u1edbi 0.046W\/mK. Vi\u1ec7c n\u00e0y s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng \u0111i\u1ec1u h\u00f2a cho m\u00f4i tr\u01b0\u1eddng b\u00ean trong c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n. Gi\u00fap c\u00f4ng tr\u00ecnh lu\u00f4n duy tr\u00ec \u0111\u01b0\u1ee3c ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p nh\u1ea5t, kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng n\u0103ng s\u1eed d\u1ee5ng. V\u00ed d\u1ee5: kho l\u1ea1nh ph\u1ea3i lu\u00f4n \u0111\u1ea3m b\u1ea3o gi\u1eef \u0111\u01b0\u1ee3c m\u1ee9c nhi\u1ec7t \u0111\u1ed9 t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1ea3o qu\u1ea3n ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng h\u00f3a, d\u00f9 ph\u1ea3i th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i nh\u01b0 n\u1eafng n\u00f3ng, m\u01b0a b\u00e3o\u2026<\/li>\n
        • Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t:\u00a0<\/strong>t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ee3p ch\u1ea5t c\u1ea5u th\u00e0nh m\u00e0 v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh ch\u1ecbu nhi\u1ec7t kh\u00e1c nhau. V\u1edbi nh\u1eefng ti\u00eau chu\u1ea9n kh\u00e1c nhau cho t\u1edbi th\u1eddi \u0111i\u1ec3m n\u0103m 2020, nh\u1eefng v\u1eadt li\u1ec7u b\u1ea3o \u00f4n trung b\u00ecnh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t giao \u0111\u1ed9ng t\u1eeb t\u1eeb 101 \u0111\u1ed9 C t\u1edbi 650 \u0111\u1ed9 C. T\u00e1c d\u1ee5ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u b\u1ea3o \u00f4n \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y r\u00f5 nh\u1ea5t trong c\u00e1c c\u00f4ng x\u01b0\u1edfng s\u1ea3n xu\u1ea5t, d\u00f9 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi l\u00f2 h\u01a1i nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao nh\u01b0ng m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i v\u1eabn r\u1ea5t tho\u1ea3i m\u00e1i, d\u1ec5 ch\u1ecbu.<\/li>\n
        • Kh\u1ea3 n\u0103ng b\u1ee9c x\u1ea1 (nhi\u1ec7t \u0111\u1ed9):<\/strong>\u00a0V\u1eadt truy\u1ec1n nhi\u1ec7t \u0111\u1ed9 t\u1eeb n\u00f3 qua v\u1eadt kh\u00e1c b\u1eb1ng c\u00e1ch b\u1ee9c x\u1ea1 nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng xung quanh ch\u00fang, th\u01b0\u1eddng d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t n\u0103ng ho\u1eb7c \u00e1nh s\u00e1ng. Nh\u1eefng v\u1eadt li\u1ec7u b\u1ea3o \u00f4n c\u00f3 kh\u1ea3 n\u0103ng b\u1ee9c x\u1ea1 t\u1ed1t n\u00ean d\u1ec5 d\u00e0ng ph\u1ea3n x\u1ea1 l\u1ea1i nh\u1eefng b\u1ee9c x\u1ea1 t\u1edbi n\u00f3. Ch\u00ednh v\u00ec v\u1eady gi\u00fap tr\u00e1nh vi\u1ec7c thu nhi\u1ec7t v\u00e0 duy tr\u00ec \u0111\u01b0\u1ee3c n\u1ec1n nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u00ean trong v\u1eadt che.<\/li>\n
        • Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1eeda:\u00a0<\/strong>Th\u01b0\u1eddng th\u00ec \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m b\u1ea3o \u00f4n \u2013 c\u00e1ch nhi\u1ec7t s\u1ebd c\u00f3 thu\u1ed9c t\u00ednh kh\u00e1ng l\u1eeda \u0111i k\u00e8m. Thu\u1ed9c t\u00ednh n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng, b\u1edfi v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u cho c\u00e1c m\u1ee5c \u0111\u00edch chuy\u00ean tr\u00e1ch. \u0110\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u00f4ng tr\u00ecnh n\u1ebfu ch\u1eb3ng may x\u1ea3y ra c\u00e1c tai n\u1ea1n v\u1ec1 l\u1eeda nh\u01b0 h\u1ecfa ho\u1ea1n hay ch\u00e1y n\u1ed5, gi\u00fap \u0111\u1ea3m b\u1ea3o an to\u00e0n cho t\u00e0i s\u1ea3n c\u0169ng nh\u01b0 sinh m\u1ea1ng con ng\u01b0\u1eddi.<\/li>\n<\/ul>\n

          3. Nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u b\u1ea3o \u00f4n c\u00e1ch nhi\u1ec7t<\/span><\/h2>\n