{"id":1184,"date":"2026-03-26T07:12:42","date_gmt":"2026-03-26T07:12:42","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=method&p=1184"},"modified":"2026-03-26T07:17:05","modified_gmt":"2026-03-26T07:17:05","slug":"falling-dart-impact-test","status":"publish","type":"method","link":"https:\/\/www.packtests.com\/vi\/method\/falling-dart-impact-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i"},"content":{"rendered":"

C\u00e1i th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a. Th\u1eed nghi\u1ec7m n\u00e0y \u0111o l\u01b0\u1eddng l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m m\u1eabu th\u1eed b\u1ecb h\u01b0 h\u1ecfng khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u1ed9t m\u0169i t\u00ean r\u01a1i t\u1ef1 do trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Th\u00f4ng qua vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n

ASTM D1709: Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/h2>\n\n\n\n

C\u00e1i ASTM D1709<\/strong> Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m r\u00e1ch m\u00e0ng nh\u1ef1a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u0169i t\u00ean r\u01a1i t\u1ef1 do. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh hai ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

    \n
  1. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m A<\/strong>: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t m\u1ea3nh kim lo\u1ea1i h\u00ecnh b\u00e1n c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 38,10 mm \u0111\u01b0\u1ee3c th\u1ea3 r\u01a1i t\u1eeb \u0111\u1ed9 cao 0,66 m\u00e9t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i m\u00e0ng c\u1ea7n n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m t\u1eeb 50 g \u0111\u1ebfn 6 kg \u0111\u1ec3 b\u1ecb g\u00e3y.<\/li>\n\n\n\n
  2. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m B<\/strong>: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t m\u0169i t\u00ean c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 50,80 mm \u0111\u01b0\u1ee3c th\u1ea3 t\u1eeb \u0111\u1ed9 cao 1,52 m\u00e9t, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c lo\u1ea1i m\u00e0ng c\u1ea7n n\u0103ng l\u01b0\u1ee3ng t\u1eeb 0,3 kg \u0111\u1ebfn 6 kg \u0111\u1ec3 g\u00e2y ra s\u1ef1 h\u1ecfng h\u00f3c.<\/li>\n<\/ol>\n\n\n\n

    Th\u1eed nghi\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c t\u0103ng ho\u1eb7c gi\u1ea3m d\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u0169i t\u00ean cho \u0111\u1ebfn khi 50% m\u1eabu th\u1eed b\u1ecb h\u1ecfng, t\u1eeb \u0111\u00f3 cho ph\u00e9p \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng.<\/p>\n\n\n\n

    Ti\u00eau chu\u1ea9n ISO 7765-1 v\u00e0 th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng m\u0169i t\u00ean \u0111\u1ed1i v\u1edbi m\u00e0ng nh\u1ef1a<\/h2>\n\n\n\n

    C\u00e1i ISO 7765-1<\/strong> Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0a ra c\u00e1c h\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 th\u1eed nghi\u1ec7m n\u0103ng l\u01b0\u1ee3ng ph\u00e1 v\u1ee1 do va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh. C\u1ea3 ti\u00eau chu\u1ea9n ASTM D1709 v\u00e0 ISO 7765-1 \u0111\u1ec1u s\u1eed d\u1ee5ng hai ph\u01b0\u01a1ng ph\u00e1p ri\u00eang bi\u1ec7t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a m\u1ecfng:<\/p>\n\n\n\n

      \n
    • Ph\u01b0\u01a1ng ph\u00e1p A<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t m\u0169i t\u00ean c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 38 mm \u0111\u01b0\u1ee3c th\u1ea3 t\u1eeb \u0111\u1ed9 cao 0,66 m\u00e9t, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 l\u1ef1c g\u00e3y n\u1eb1m trong kho\u1ea3ng t\u1eeb 50 g \u0111\u1ebfn 2 kg.<\/li>\n\n\n\n
    • Ph\u01b0\u01a1ng ph\u00e1p B<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t m\u0169i t\u00ean d\u00e0i 50 mm \u0111\u01b0\u1ee3c th\u1ea3 t\u1eeb \u0111\u1ed9 cao 1,5 m\u00e9t, v\u1edbi n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,3 kg \u0111\u1ebfn 2 kg.<\/li>\n<\/ul>\n\n\n\n

      C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, \u0111\u1ed9i ng\u0169 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00e1c chuy\u00ean gia nghi\u00ean c\u1ee9u \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c lo\u1ea1i m\u00e0ng nh\u1ef1a c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed hi\u1ec7u su\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

      T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/h2>\n\n\n\n

      C\u00e1i th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/strong> \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng m\u00e0ng nh\u1ef1a trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, \u00f4 t\u00f4, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 d\u1ec7t may. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u01b0 h\u1ecfng c\u1ee7a m\u00e0ng nh\u1ef1a trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n v\u00e0 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. C\u00e1c lo\u1ea1i m\u00e0ng nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp cao \u00edt c\u00f3 nguy c\u01a1 b\u1ecb r\u00e1ch, th\u1ee7ng ho\u1eb7c h\u01b0 h\u1ecfng, \u0111\u1ea3m b\u1ea3o ch\u00fang duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

      B\u00e0i ki\u1ec3m tra n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u qu\u00fd gi\u00e1 cho:<\/p>\n\n\n\n

        \n
      • Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m<\/strong>: X\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ch\u1ecbu va \u0111\u1eadp t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i.<\/li>\n\n\n\n
      • Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/strong>: \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i l\u00f4 m\u00e0ng nh\u1ef1a \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/li>\n\n\n\n
      • Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&D) v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u<\/strong>: H\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp cao h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean d\u1ee5ng.<\/li>\n<\/ul>\n\n\n\n

        C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/h2>\n\n\n\n
          \n
        1. Chu\u1ea9n b\u1ecb m\u1eabu<\/strong>: C\u00e1c m\u1eabu m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n h\u00f3a v\u00e0 th\u1eed nghi\u1ec7m trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee5 th\u1ec3.<\/li>\n\n\n\n
        2. C\u1ea5u h\u00ecnh th\u1eed nghi\u1ec7m<\/strong>: M\u0169i t\u00ean \u0111\u01b0\u1ee3c ph\u00f3ng ra t\u1eeb m\u1ed9t \u0111\u1ed9 cao \u0111\u00e3 \u0111\u1ecbnh tr\u01b0\u1edbc, v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m g\u00e3y m\u1eabu th\u1eed \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng.<\/li>\n\n\n\n
        3. Thu th\u1eadp d\u1eef li\u1ec7u<\/strong>: Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u0169i t\u00ean \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1eebng b\u01b0\u1edbc d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng h\u01b0 h\u1ecfng c\u1ee7a c\u00e1c m\u1eabu th\u1eed. N\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 h\u01b0 h\u1ecfng 50% \u0111\u01b0\u1ee3c ghi l\u1ea1i.<\/li>\n<\/ol>\n\n\n\n

          B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c quy tr\u00ecnh n\u00e0y, th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/strong> \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, cung c\u1ea5p nh\u1eefng th\u00f4ng tin quan tr\u1ecdng v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a phim.<\/p>\n\n\n\n

          C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/h2>\n\n\n\n

          Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng nh\u1ef1a. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n

            \n
          • Bao b\u00ec<\/strong>: \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0 m\u00e0ng co, bao b\u00ec th\u1ef1c ph\u1ea9m v\u00e0 m\u00e0ng b\u1ecdc b\u1ea3o v\u1ec7.<\/li>\n\n\n\n
          • \u00d4 t\u00f4<\/strong>: \u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a xe c\u01a1 gi\u1edbi.<\/li>\n\n\n\n
          • Thi\u1ebft b\u1ecb y t\u1ebf<\/strong>: \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng d\u00f9ng trong bao b\u00ec y t\u1ebf.<\/li>\n\n\n\n
          • V\u1ea3i v\u00f3c<\/strong>: D\u00f9ng \u0111\u1ec3 ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c lo\u1ea1i m\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9 v\u00e0 l\u1edbp ph\u1ee7 d\u1ec7t may.<\/li>\n<\/ul>\n\n\n\n

            K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

            C\u00e1i th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i<\/strong> l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ASTM D1709<\/strong> v\u00e0 ISO 7765-1<\/strong> Nh\u1edd c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1eadt li\u1ec7u trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. D\u00f9 l\u00e0 trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, \u00f4 t\u00f4, y t\u1ebf hay d\u1ec7t may, k\u1ebft qu\u1ea3 t\u1eeb th\u1eed nghi\u1ec7m n\u00e0y \u0111\u1ec1u cung c\u1ea5p d\u1eef li\u1ec7u qu\u00fd gi\u00e1 cho c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m v\u00e0 x\u00e2y d\u1ef1ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

            \u0110\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ki\u1ec3m tra ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng M\u00e1y th\u1eed va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i \u2019Cell Instruments\u201d<\/strong>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n ASTM D1709 v\u00e0 ISO 7765-1, \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u c\u1ee7a qu\u00fd kh\u00e1ch ph\u00e1t huy hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u.<\/p>","protected":false},"excerpt":{"rendered":"

            Th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng phi ti\u00eau r\u01a1i t\u1ef1 do l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a. Th\u1eed nghi\u1ec7m n\u00e0y \u0111o l\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng cho m\u1eabu th\u1eed khi m\u1eabu n\u00e0y ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u1ed9t phi ti\u00eau r\u01a1i t\u1ef1 do trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Th\u00f4ng qua vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. [\u2026]<\/p>","protected":false},"featured_media":1185,"parent":0,"template":"","meta":{"_acf_changed":true},"class_list":["post-1184","method","type-method","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method\/1184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method"}],"about":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/types\/method"}],"version-history":[{"count":0,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method\/1184\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media\/1185"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media?parent=1184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}