C\u1ea7n h\u1ebft s\u1ee9c ch\u00fa \u00fd khi s\u1eed d\u1ee5ng la b\u00e0n phong th\u1ee7y<\/figcaption><\/figure>\nN\u1ebfu ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u1ecdn h\u01b0\u1edbng c\u1eeda, t\u00ecm \u0111\u01b0\u1eddng th\u00ec ch\u1ec9 n\u00ean d\u00f9ng lo\u1ea1i la b\u00e0n c\u01a1 b\u1ea3n l\u00e0 \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 4 ph\u01b0\u01a1ng 8 h\u01b0\u1edbng. Nh\u01b0ng n\u1ebfu, nhu c\u1ea7u l\u00e0 xem h\u01b0\u1edbng nh\u00e0 h\u1ee3p m\u1ec7nh, h\u1ee3p tu\u1ed5i v\u1edbi gia ch\u1ee7 th\u00ec ph\u1ea3i s\u1eed d\u1ee5ng la b\u00e0n phong th\u1ee7y g\u1ecdi c\u00e1ch kh\u00e1c l\u00e0 kinh b\u00e0n. Lo\u1ea1i la b\u00e0n n\u00e0y \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean l\u00fd v\u1ec1 ng\u0169 h\u00e0nh, can chi, b\u00e1t qu\u00e1i, \u0111\u1ecbnh h\u01b0\u1edbng t\u1ed1t x\u1ea5u, ph\u01b0\u01a1ng vi\u2026 s\u1ebd kh\u00f4ng khi\u1ebfn b\u1ea1n th\u1ea5t v\u1ecdng ch\u00fat n\u00e0o.<\/span><\/p>\nC\u00e1ch s\u1eed d\u1ee5ng la b\u00e0n phong th\u1ee7y h\u1ee3p l\u00fd<\/strong><\/h2>\nNh\u01b0 \u0111\u00e3 nh\u1eafc \u0111\u1ebfn \u1edf ph\u1ea7n tr\u00ean th\u00ec v\u1eadt ph\u1ea9m s\u1ebd ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi la b\u00e0n th\u00f4ng th\u01b0\u1eddng. Ch\u00ednh v\u00ec v\u1eady, c\u00e1ch s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c bi\u1ec7t v\u00e0 r\u1ea5t \u00edt ng\u01b0\u1eddi bi\u1ebft d\u00f9ng. Tuy nhi\u00ean, b\u1ea1n ch\u1ec9 c\u1ea7n l\u00e0m \u0111\u00fang nh\u1eefng \u0111i\u1ec1u sau \u0111\u00e2y th\u00ec th\u00ec ch\u1eafc ch\u1eafn c\u00f3 th\u1ec3 t\u1ef1 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u01b0\u1edbng nh\u00e0.<\/span><\/p>\n\u0110\u1ea7u ti\u00ean, n\u1ebfu gia ch\u1ee7 mu\u1ed1n bi\u1ebft h\u01b0\u1edbng c\u1eeda hay h\u01b0\u1edbng v\u01b0\u1ee3ng l\u1ed9c th\u00ec \u0111\u1eb7t la b\u00e0n t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed b\u1ea5t k\u1ef3 c\u1ee7a c\u0103n nh\u00e0. V\u1edbi \u0111\u01a1n tr\u1ea1ch th\u00ec l\u00e0 v\u1ecb tr\u00ed l\u00e0 ch\u00ednh gi\u1eefa gi\u1ebfng tr\u1eddi, b\u01b0\u1edbc th\u1ee9 hai l\u00e0 v\u1ecb tr\u00ed gi\u1eefa s\u00e2n \u0111o v\u1edbi c\u1eeda ch\u00ednh v\u00e0 c\u1eeda th\u1ee9 2. L\u01b0u \u00fd, trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a la b\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 \u0111\u1ed3 v\u1eadt \u0111\u01b0\u1ee3c b\u1eb1ng kim lo\u1ea1i v\u00ec s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a nam ch\u00e2m trong la b\u00e0n.<\/span><\/p>\nSau \u0111\u00f3, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u01b0\u1edbng c\u00e1t hay h\u01b0\u1edbng hung, b\u1ea1n ph\u1ea3i \u0111\u1eb7t la b\u00e0n sao cho \u0111\u01b0\u1eddng k\u1ebb m\u00e0u \u0111\u1ecf n\u1eb1m \u1edf ch\u00ednh gi\u1eefa v\u00e0o m\u1ed9t h\u01b0\u1edbng n\u00e0o \u0111\u00f3. Ti\u1ebfp theo, chuy\u1ec3n \u0111\u1ed9ng la b\u00e0n \u0111\u1ec3 kim nam ch\u00e2m v\u00e0 \u0111\u00e1y thi\u00ean tr\u00ec c\u00e2n b\u1eb1ng l\u00e0 \u0111\u01b0\u1ee3c.<\/span><\/p>\n