B\u1ea1ch th\u1ee7 l\u00f4<\/strong> l\u00e0 t\u1eeb chuy\u00ean m\u00f4n ch\u1ec9 c\u00f3 trong ng\u00e0nh l\u00f4 \u0111\u1ec1 h\u1ecdc, v\u00ec th\u1ebf n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn ngo\u00e0i x\u00e3 h\u1ed9i.<\/p>\n B\u1ea1ch th\u1ee7<\/strong> l\u00e0 t\u1eeb \u0111\u01b0\u1ee3c l\u01b0u truy\u1ec1n d\u00e2n gian b\u1eb1ng v\u0103n n\u00f3i, kh\u00f4ng \u0111\u01b0\u1ee3c ghi ch\u00e9p l\u1ea1i t\u1eeb s\u00e1ch v\u1edf l\u1ecbch s\u1eed n\u00e0o, \u0111\u01b0\u1ee3c d\u00f9ng theo v\u0103n t\u1ef1 th\u1ec3 ch\u1eef N\u00f4m, h\u00ecnh th\u00e0nh kho\u1ea3ng n\u0103m 1962 t\u1ea1i mi\u1ec1n B\u1eafc, th\u1eddi k\u00ec khi c\u00f4ng ty x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft th\u1ee7 \u0111\u00f4 \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp. T\u1eeb n\u00e0y \u0111\u01b0\u1ee3c l\u01b0u truy\u1ec1n v\u1ec1 sau tr\u00ean c\u1ea3 n\u01b0\u1edbc v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t thu\u1eadt ng\u1eef chuy\u00ean m\u00f4n l\u0129nh v\u1ef1c l\u00f4 \u0111\u1ec1 \u2013 B\u1ea1ch th\u1ee7 l\u00f4<\/strong>.<\/p>\nV\u1eady c\u1ee5m t\u1eeb \u201cB\u1ea1ch th\u1ee7 l\u00f4\u201d c\u00f3 ngh\u0129a l\u00e0 g\u00ec v\u00e0 khi n\u00e0o n\u00ean d\u00f9ng n\u00f3?<\/h2>\n