L\u00f4 khung l\u00e0 c\u00e1ch ch\u1ecdn ra nh\u1eefng c\u1eb7p s\u1ed1 theo c\u00e1ch th\u1ed1ng k\u00ea \u0111\u1ec3 \u0111\u00e1nh trong trong nhi\u1ec1u ng\u00e0y. Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh l\u00f4 nu\u00f4i khung \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00e1 an to\u00e0n v\u00e0 c\u00f3 l\u00e3i nh\u01b0ng c\u00e1ch ch\u01a1i n\u00e0y ch\u1ec9 th\u00edch h\u1ee3p cho nh\u1eefng ng\u01b0\u1eddi ch\u01a1i c\u00f3 m\u1ee9c v\u1ed1n th\u1ea5p, c\u00f3 m\u1ee9c ch\u01a1i t\u1eeb v\u00e0i \u0111i\u1ec3m \u0111\u1ebfn ch\u1ee5c \u0111i\u1ec3m m\u1ed7i ng\u00e0y.<\/p>\n
Ch\u01a1i l\u00f4 \u0111\u1ec1 y\u1ebfu t\u1ed1 t\u00e2m l\u00fd r\u1ea5t quan tr\u1ecdng v\u00ec trong l\u00f4 \u0111\u1ec1 kh\u00f4ng c\u00f3 cao th\u1ee7 c\u1ee9 ch\u01a1i l\u00e0 \u0103n m\u00e0 c\u00f2n ph\u1ea3i xem v\u1eadn \u0111\u1ecf v\u00e0 s\u1ef1 ki\u00ean \u0111\u1ecbnh c\u1ee7a ng\u01b0\u1eddi ch\u01a1i \u0111\u1ed1i v\u1edbi con s\u1ed1 \u0111\u00e3 ch\u1ecdn. \u0110\u1ed1i v\u1edbi nu\u00f4i khung l\u00f4 3 ng\u00e0y <\/b>c\u0169ng v\u1eady n\u1ebfu ng\u01b0\u1eddi ch\u01a1i kh\u00f4ng ki\u00ean tr\u00ec c\u00f3 th\u1ec3 s\u1ebd b\u1ecf qua c\u01a1 h\u1ed9i \u0103n l\u00f4 m\u00e0 ch\u00ednh m\u00ecnh \u0111\u00e3 t\u1ea1o ra<\/p>\n M\u1ee5c l\u1ee5c<\/p>\n<\/div>\n