V\u1edbi d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m th\u00ec thu\u1eadt ng\u1eef b\u1ea1ch th\u1ee7 l\u00f4 khung<\/b> ch\u1eb3ng c\u00f2n xa l\u1ea1 g\u00ec. C\u00e1ch ch\u01a1i n\u00e0y n\u1ebfu c\u00f3 kinh nghi\u1ec7m s\u1ebd mang l\u1ea1i t\u1ef7 l\u1ec7 v\u00e0o b\u1edd an to\u00e0n r\u1ea5t cao. Ch\u1eafc ch\u1eafn r\u1eb1ng nh\u1eefng l\u00f4 th\u1ee7 m\u1edbi c\u00f2n kh\u00e1 m\u01a1 h\u1ed3 v\u1ec1 thu\u1eadt ng\u1eef n\u00e0y. Mu\u1ed1n \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng th\u00ec ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i<\/strong> s\u1ebd t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng th\u00f4ng tin v\u1ec1 c\u00e1ch ch\u01a1i n\u00e0y.<\/p>\n <\/p>\n B\u1ea1ch th\u1ee7 l\u00f4 khung c\u00f2n \u0111\u01b0\u1ee3c d\u00e2n l\u00f4 \u0111\u1ec1 g\u1ecdi v\u1edbi c\u00e1i t\u00ean l\u00e0 \u0111\u1ed9c th\u1ee7 l\u00f4. Thu\u1eadt ng\u1eef n\u00e0y do ch\u00ednh nh\u1eefng ng\u01b0\u1eddi l\u00f4 \u0111\u1ec1 tr\u01b0\u1edbc \u0111\u00e2y t\u1ea1o ra v\u00e0 truy\u1ec1n mi\u1ec7ng cho t\u1edbi hi\u1ec7n t\u1ea1i. Thu\u1eadt ng\u1eef b\u1ea1ch th\u1ee7 l\u00f4 xu\u1ea5t hi\u1ec7n t\u1ea1i mi\u1ec1n B\u1eafc, sau khi C\u00f4ng ty XSKT Th\u1ee7 \u0110\u00f4 \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o kho\u1ea3ng n\u0103m 1962. Ngay sau \u0111\u00f3, thu\u1eadt ng\u1eef n\u00e0y ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch r\u1ed9ng r\u00e3i.<\/p>\nB\u1ea1ch th\u1ee7 l\u00f4 khung l\u00e0 g\u00ec?<\/strong><\/h2>\n