{"id":34423,"date":"2025-09-24T09:24:00","date_gmt":"2025-09-24T02:24:00","guid":{"rendered":"https:\/\/cmctiles.vn\/?p=34423"},"modified":"2025-09-24T09:24:00","modified_gmt":"2025-09-24T02:24:00","slug":"huong-dan-chon-ngoi-lop-nha-chat-luong","status":"publish","type":"post","link":"https:\/\/cmctiles.vn\/en\/blog\/huong-dan-chon-ngoi-lop-nha-chat-luong.html","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u2013 \u0111\u1eb9p & ch\u1ed1ng n\u00f3ng"},"content":{"rendered":"

<\/b>Khi x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o nh\u00e0, m\u00e1i ng\u00f3i lu\u00f4n l\u00e0 h\u1ea1ng m\u1ee5c \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng b\u1edfi n\u00f3 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u1eefng c\u1ee7a c\u00f4ng tr\u00ecnh m\u00e0 c\u00f2n quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u00f3ng. Tuy nhi\u00ean, gi\u1eefa r\u1ea5t nhi\u1ec1u lo\u1ea1i ng\u00f3i tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft c\u00e1ch ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, v\u1eeba \u0111\u1eb9p v\u1eeba ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu Vi\u1ec7t Nam. Trong b\u00e0i vi\u1ebft h\u00f4m nay, CMC Tiles s\u1ebd gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan nh\u1ea5t v\u1ec1 c\u00e1c lo\u1ea1i ng\u00f3i, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 kinh nghi\u1ec7m ch\u1ecdn l\u1ef1a \u0111\u1ec3 v\u1eeba \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n, v\u1eeba t\u1ed1i \u01b0u chi ph\u00ed.<\/span><\/span><\/p>\n

\"Ngoi
Ng\u00f3i l\u1ee3p m\u00e1i nh\u00e0<\/figcaption><\/figure>\n

1. Gi\u1edbi thi\u1ec7u chung v\u1ec1 ng\u00f3i l\u1ee3p nh\u00e0<\/b><\/h2>\n

Ng\u00f3i l\u1ee3p nh\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng quan tr\u1ecdng nh\u1ea5t khi ho\u00e0n thi\u1ec7n m\u00e1i c\u00f4ng tr\u00ecnh. Kh\u00f4ng ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 b\u1ea3o v\u1ec7 ng\u00f4i nh\u00e0 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1eddi ti\u1ebft (n\u1eafng, m\u01b0a, gi\u00f3, b\u00e3o), ng\u00f3i l\u1ee3p nh\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 th\u1ea9m m\u1ef9 quy\u1ebft \u0111\u1ecbnh phong c\u00e1ch ki\u1ebfn tr\u00fac. M\u1ed9t m\u00e1i ng\u00f3i \u0111\u1eb9p, b\u1ec1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t s\u1ebd gi\u00fap ng\u00f4i nh\u00e0:<\/span><\/p>\n

\"Ng\u00f3i
Ng\u00f3i l\u1ee3p nh\u00e0 \u0111\u00f3ng vai tr\u00f2 b\u1ea3o v\u1ec7 ng\u00f4i nh\u00e0 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1eddi ti\u1ebft<\/figcaption><\/figure>\n
    \n
  • T\u0103ng tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/span><\/li>\n
  • Gi\u1eef cho kh\u00f4ng gian m\u00e1t m\u1ebb v\u00e0o m\u00f9a h\u00e8, \u1ea5m \u00e1p v\u00e0o m\u00f9a \u0111\u00f4ng.<\/span><\/li>\n
  • T\u00f4n l\u00ean gi\u00e1 tr\u1ecb th\u1ea9m m\u1ef9, t\u1ea1o \u0111i\u1ec3m nh\u1ea5n cho to\u00e0n b\u1ed9 ki\u1ebfn tr\u00fac.<\/span><\/li>\n
  • G\u00f3p ph\u1ea7n ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng cho \u0111i\u1ec1u h\u00f2a, qu\u1ea1t l\u00e0m m\u00e1t.<\/span><\/li>\n<\/ul>\n

    Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, v\u1eeba \u0111\u1eb9p v\u1eeba ch\u1ed1ng n\u00f3ng l\u00e0 v\u1ea5n \u0111\u1ec1 m\u00e0 b\u1ea5t k\u1ef3 gia ch\u1ee7 hay nh\u00e0 th\u1ea7u n\u00e0o c\u0169ng quan t\u00e2m.<\/span><\/p>\n

    2. Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i ng\u00f3i l\u1ee3p nh\u00e0 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/b><\/h2>\n

    Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay c\u00f3 nhi\u1ec1u lo\u1ea1i ng\u00f3i kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c hi\u1ec3u r\u00f5 \u0111\u1eb7c \u0111i\u1ec3m t\u1eebng lo\u1ea1i s\u1ebd gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i ng\u00f3i ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u.<\/span><\/p>\n

    2.1. Ng\u00f3i \u0111\u1ea5t nung truy\u1ec1n th\u1ed1ng<\/b><\/h3>\n
      \n
    • \u0110\u1eb7c \u0111i\u1ec3m<\/b>: L\u00e0 lo\u1ea1i ng\u00f3i l\u00e2u \u0111\u1eddi nh\u1ea5t, l\u00e0m t\u1eeb \u0111\u1ea5t s\u00e9t, nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/span><\/li>\n<\/ul>\n
      \"Ng\u00f3i
      Ng\u00f3i \u0111\u1ea5t nung truy\u1ec1n th\u1ed1ng<\/figcaption><\/figure>\n
        \n
      • \u01afu \u0111i\u1ec3m<\/b>:<\/span>\n
          \n
        • B\u1ec1n m\u00e0u, tu\u1ed5i th\u1ecd cao (30 \u2013 50 n\u0103m).<\/span><\/li>\n
        • Gi\u1eef m\u00e1t t\u1ed1t nh\u1edd kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ef1 nhi\u00ean.<\/span><\/li>\n
        • Mang l\u1ea1i v\u1ebb \u0111\u1eb9p c\u1ed5 \u0111i\u1ec3n, sang tr\u1ecdng cho c\u00f4ng tr\u00ecnh.<\/span><\/li>\n<\/ul>\n<\/li>\n
        • Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b>:<\/span>\n
            \n
          • N\u1eb7ng, y\u00eau c\u1ea7u k\u1ebft c\u1ea5u m\u00e1i v\u1eefng ch\u1eafc.<\/span><\/li>\n
          • D\u1ec5 b\u1ecb r\u00eau m\u1ed1c n\u1ebfu kh\u00f4ng v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            2.2. Ng\u00f3i xi m\u0103ng \u2013 c\u00e1t m\u00e0u (ng\u00f3i m\u00e0u)<\/b><\/h3>\n
              \n
            • \u0110\u1eb7c \u0111i\u1ec3m<\/b>: \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb xi m\u0103ng, c\u00e1t m\u1ecbn, ph\u1ee5 gia v\u00e0 ph\u1ee7 m\u00e0u.<\/span><\/li>\n<\/ul>\n

               <\/p>\n

              \"Ng\u00f3i
              Ng\u00f3i l\u1ee3p xi m\u0103ng<\/figcaption><\/figure>\n

               <\/p>\n

                \n
              • \u01afu \u0111i\u1ec3m<\/b>:<\/span>\n
                  \n
                • \u0110a d\u1ea1ng m\u00e0u s\u1eafc, ki\u1ec3u d\u00e1ng<\/span><\/li>\n
                • Gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd<\/span><\/li>\n
                • \u0110\u1ed9 b\u1ec1n cao, kh\u00f3 n\u1ee9t v\u1ee1<\/span><\/li>\n<\/ul>\n<\/li>\n
                • Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b>:<\/span>\n
                    \n
                  • N\u1eb7ng h\u01a1n ng\u00f3i \u0111\u1ea5t nung<\/span><\/li>\n
                  • N\u1ebfu s\u01a1n ph\u1ee7 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, m\u00e0u d\u1ec5 phai sau v\u00e0i n\u0103m<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                    2.3. Ng\u00f3i tr\u00e1ng men (ng\u00f3i ceramic)<\/b><\/h3>\n
                      \n
                    • \u0110\u1eb7c \u0111i\u1ec3m<\/b>: L\u00e0 ng\u00f3i \u0111\u1ea5t nung ho\u1eb7c g\u1ed1m \u0111\u01b0\u1ee3c tr\u00e1ng m\u1ed9t l\u1edbp men<\/span><\/li>\n<\/ul>\n
                      \"Ng\u00f3i
                      Ng\u00f3i g\u1ed1m tr\u00e1ng men nh\u00e3n hi\u1ec7u Luza<\/figcaption><\/figure>\n
                        \n
                      • \u01afu \u0111i\u1ec3m<\/b>:<\/span>\n
                          \n
                        • B\u1ec1 m\u1eb7t b\u00f3ng \u0111\u1eb9p, ch\u1ed1ng r\u00eau m\u1ed1c.<\/span><\/li>\n
                        • \u0110\u1ed9 b\u1ec1n m\u00e0u cao, tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i.<\/span><\/li>\n<\/ul>\n<\/li>\n
                        • Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b>:<\/span>\n
                            \n
                          • C\u1ea7n \u0111\u1ed9i ng\u0169 th\u1ee3 thi c\u00f4ng c\u00f3 k\u1ef9 thu\u1eadt.<\/span>
                            \n<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                            2.4. Ng\u00f3i bitum (ng\u00f3i d\u00e1n ph\u1ee7 \u0111\u00e1)<\/b><\/h3>\n
                              \n
                            • \u0110\u1eb7c \u0111i\u1ec3m<\/b>: L\u00e0m t\u1eeb s\u1ee3i th\u1ee7y tinh, nh\u1ef1a bitum, ph\u1ee7 h\u1ea1t \u0111\u00e1 t\u1ef1 nhi\u00ean.<\/span><\/li>\n<\/ul>\n
                              \"Ng\u00f3i
                              Ng\u00f3i l\u1ee3p nh\u00e0 Bitum<\/figcaption><\/figure>\n
                                \n
                              • \u01afu \u0111i\u1ec3m<\/b>:<\/span>\n
                                  \n
                                • Nh\u1eb9, d\u1ec5 thi c\u00f4ng tr\u00ean nhi\u1ec1u lo\u1ea1i m\u00e1i.<\/span><\/li>\n
                                • Ch\u1ed1ng th\u1ea5m, c\u00e1ch nhi\u1ec7t t\u1ed1t.<\/span><\/li>\n
                                • Nhi\u1ec1u ki\u1ec3u d\u00e1ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/li>\n<\/ul>\n<\/li>\n
                                • Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b>:<\/span>\n
                                    \n
                                  • Gi\u00e1 th\u00e0nh t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/span><\/li>\n
                                  • \u0110\u1ed9 b\u1ec1n m\u00e0u ph\u1ee5 thu\u1ed9c ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t \u0111\u00e1 ph\u1ee7.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                    3. Ti\u00eau ch\u00ed quan tr\u1ecdng khi ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u2013 \u0111\u1eb9p & ch\u1ed1ng n\u00f3ng<\/b><\/span><\/h2>\n

                                    N\u1eafm r\u00f5 nh\u1eefng ti\u00eau ch\u00ed quan tr\u1ecdng khi l\u1ee3p ng\u00f3i<\/span><\/p>\n

                                    \"Nh\u1eefng
                                    Nh\u1eefng ti\u00eau ch\u00ed quan tr\u1ecdng khi ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0<\/figcaption><\/figure>\n

                                    3.1. \u0110\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd<\/b><\/h3>\n

                                    Ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ea5t l\u01b0\u1ee3ng th\u01b0\u1eddng c\u00f3 tu\u1ed5i th\u1ecd t\u1eeb 20 \u2013 50 n\u0103m t\u00f9y lo\u1ea1i. Khi ch\u1ecdn ng\u00f3i, c\u1ea7n l\u01b0u \u00fd:<\/span><\/p>\n

                                      \n
                                    • Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<\/span><\/li>\n<\/ul>\n
                                      \"\u00a0Ch\u1ecdn
                                      Ch\u1ecdn ng\u00f3i c\u00f3 \u0111\u1ed9 ch\u1ecbu l\u1ef1c cao gi\u00fap m\u00e1i nh\u00e0 b\u1ec1n v\u1eefng v\u00e0 an t\u00e2m l\u00e2u d\u00e0i<\/figcaption><\/figure>\n
                                        \n
                                      • Kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m<\/span><\/li>\n<\/ul>\n
                                        \"Ch\u1ecdn
                                        Ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m, ch\u1ed1ng d\u1ed9t t\u1ed1t tr\u00e1nh r\u00eau m\u1ed1c<\/figcaption><\/figure>\n
                                          \n
                                        • \u0110\u1ed9 ch\u1ed1ng phai m\u00e0u<\/span><\/li>\n<\/ul>\n
                                          \"Ch\u1ecdn
                                          Ch\u1ecdn ng\u00f3i c\u00f3 \u0111\u1ed9 ch\u1ed1ng phai m\u00e0u t\u1ed1t s\u1ebd gi\u1eef cho m\u00e1i nh\u00e0 th\u1ea9m m\u1ef9 v\u00e0 b\u1ec1n v\u1eefng<\/figcaption><\/figure>\n

                                          3.2. Kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t \u2013 ch\u1ed1ng n\u00f3ng<\/b><\/h3>\n
                                          \"M\u00e1i
                                          M\u00e1i nh\u00e0 c\u1ea7n c\u00e1ch nhi\u1ec7t \u0111\u1ec3 ch\u1ed1ng n\u00f3ng hi\u1ec7u qu\u1ea3 trong nh\u00e0<\/figcaption><\/figure>\n

                                           <\/p>\n

                                            \n
                                          • Ng\u00f3i \u0111\u1ea5t nung hay ng\u00f3i men c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ef1 nhi\u00ean.<\/span><\/li>\n
                                          • Ng\u00f3i m\u00e0u xi m\u0103ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ed1ng n\u00f3ng b\u1eb1ng l\u1edbp s\u01a1n ph\u1ee7 ph\u1ea3n quang.<\/span><\/li>\n
                                          • Ng\u00f3i kim lo\u1ea1i c\u1ea7n k\u1ebft h\u1ee3p v\u1edbi l\u1edbp c\u00e1ch nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao.<\/span><\/li>\n<\/ul>\n

                                            3.3. Th\u1ea9m m\u1ef9 v\u00e0 phong c\u00e1ch ki\u1ebfn tr\u00fac<\/b><\/h3>\n
                                              \n
                                            • Nh\u00e0 m\u00e1i Th\u00e1i, m\u00e1i Nh\u1eadt: n\u00ean ch\u1ecdn ng\u00f3i s\u00f3ng l\u1edbn, s\u00f3ng nh\u1ecf, m\u00e0u tr\u1ea7m.<\/span><\/li>\n<\/ul>\n
                                              \"Ng\u00f3i
                                              Ng\u00f3i l\u1ee3p m\u00e1i nh\u00e0 th\u00e1i<\/figcaption><\/figure>\n

                                               <\/p>\n

                                              \"Ng\u00f3i
                                              Ng\u00f3i l\u1ee3p m\u00e1i nh\u00e0 nh\u1eadt<\/figcaption><\/figure>\n
                                                \n
                                              • Bi\u1ec7t th\u1ef1 c\u1ed5 \u0111i\u1ec3n: h\u1ee3p ng\u00f3i \u0111\u1ea5t nung, ng\u00f3i tr\u00e1ng men.<\/span><\/li>\n<\/ul>\n
                                                \"M\u00e1i
                                                M\u00e1i nh\u00e0 phong c\u00e1ch bi\u1ec7t th\u1ef1 c\u1ed5 \u0111i\u1ec3n<\/figcaption><\/figure>\n
                                                  \n
                                                • Nh\u00e0 ph\u1ed1 hi\u1ec7n \u0111\u1ea1i: ph\u00f9 h\u1ee3p ng\u00f3i Ceramic\u00a0<\/span><\/li>\n<\/ul>\n
                                                  \"Ng\u00f3i
                                                  Ng\u00f3i g\u1ed1m tr\u00e1ng men Ceramic m\u00e0u \u0111\u1ecf g\u1ea1ch<\/figcaption><\/figure>\n

                                                   <\/p>\n

                                                  \"Ng\u00f3i
                                                  Ng\u00f3i g\u1ed1m tr\u00e1ng men Ceramic m\u00e0u xanh coban<\/figcaption><\/figure>\n

                                                   <\/p>\n

                                                  \"Ng\u00f3i
                                                  Ng\u00f3i g\u1ed1m tr\u00e1ng men Ceramic m\u00e0u xanh t\u00edm tha<\/figcaption><\/figure>\n

                                                   <\/p>\n

                                                  \"Ng\u00f3i
                                                  Ng\u00f3i g\u1ed1m tr\u00e1ng men Ceramic m\u00e0u xanh r\u00eau<\/figcaption><\/figure>\n

                                                   <\/p>\n

                                                  \"Ng\u00f3i
                                                  Ng\u00f3i g\u1ed1m tr\u00e1ng men Ceramic m\u00e0u n\u00e2u chocolate<\/figcaption><\/figure>\n

                                                  3.4. Gi\u00e1 th\u00e0nh v\u00e0 chi ph\u00ed thi c\u00f4ng<\/b><\/h3>\n
                                                    \n
                                                  • Ng\u00f3i xi m\u0103ng \u2013 c\u00e1t: 10.000 \u2013 15.000\u0111\/vi\u00ean.<\/span><\/li>\n
                                                  • Ng\u00f3i \u0111\u1ea5t nung: 12.000 \u2013 20.000\u0111\/vi\u00ean.<\/span><\/li>\n
                                                  • Ng\u00f3i tr\u00e1ng men: 18.000 \u2013 25.000\u0111\/vi\u00ean.<\/span><\/li>\n
                                                  • Ng\u00f3i bitum: 140.000 \u2013 200.000\u0111\/m\u00b2.<\/span><\/li>\n
                                                  • Ng\u00f3i kim lo\u1ea1i: 120.000 \u2013 180.000\u0111\/m\u00b2.<\/span><\/li>\n<\/ul>\n

                                                    3.5. \u0110\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t v\u00e0 th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn<\/b><\/h3>\n

                                                    N\u00ean \u01b0u ti\u00ean ch\u1ecdn ng\u00f3i t\u1eeb nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u c\u00f3 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng, ngu\u1ed3n g\u1ed1c minh b\u1ea1ch.<\/span><\/p>\n

                                                    \"Phi\u1ebfu
                                                    Phi\u1ebfu b\u1ea3o h\u00e0nh Ng\u00f3i g\u1ed1m tr\u00e1ng men c\u1ee7a CMC<\/figcaption><\/figure>\n

                                                    C\u00f4ng ty C\u1ed5 ph\u1ea7n CMC cam k\u1ebft b\u1ea3o h\u00e0nh 39 n\u0103m \u0111\u1ed1i to\u00e0n b\u1ed9 m\u00e3 s\u1ea3n ph\u1ea9m ng\u00f3i g\u1ed1m tr\u00e1ng men \u0111\u1ed1i v\u1edbi h\u00e0ng lo\u1ea1i 1 trong \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng theo h\u01b0\u1edbng d\u1eabn<\/span><\/p>\n

                                                    4. H\u01b0\u1edbng d\u1eabn ch\u1ecdn ng\u00f3i l\u1ee3p nh\u00e0 ch\u1ed1ng n\u00f3ng hi\u1ec7u qu\u1ea3<\/b><\/h2>\n

                                                    4.1. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ng\u00f3i ph\u00f9 h\u1ee3p kh\u00ed h\u1eadu<\/b><\/h3>\n