{"id":79,"count":2,"description":"V\u00ec sao n\u00ean mua thanh ch\u1eafn xe barrier lu\u00f4n l\u00e0 m\u1ed9t th\u1eafc m\u1eafc g\u1ea7n \u0111\u00e2y c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. M\u1ecdi ng\u01b0\u1eddi th\u1eafc m\u1eafc v\u1ec1 c\u1ea5u t\u1ea1o c\u1ee7a thanh barrier, l\u1ee3i \u00edch khi s\u1eed d\u1ee5ng thanh ch\u1eafn xe barrier l\u00e0 g\u00ec v\u00e0 n\u00ean tin t\u01b0\u1edfng \u0111\u01a1n v\u1ecb l\u1eafp \u0111\u1eb7t n\u00e0o. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i \u0111\u00e1p m\u1ecdi th\u1eafc m\u1eafc c\u1ee7a qu\u00fd kh\u00e1ch, \u0111\u1eebng b\u1ecf l\u1ee1 nh\u00e9.\r\n

Barrier l\u00e0 g\u00ec?<\/h2>\r\nThanh ch\u1eafn xe barrier l\u00e0 lo\u1ea1i r\u00e0o ch\u1eafn t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng \u0111i\u1ec7n d\u00f9ng \u0111\u1ec3 ph\u00e2n l\u00e0n, \u0111i\u1ec1u ti\u1ebft giao th\u00f4ng, ki\u1ec3m so\u00e1t v\u00e0 \u0111\u1ea3m b\u1ea3o an ninh tr\u1eadt t\u1ef1 t\u1ea1i c\u00e1c b\u00e3i \u0111\u1ed7 xe, t\u00f2a nh\u00e0, chung c\u01b0, c\u00f4ng ty, x\u00ed nghi\u1ec7p, tr\u1ea1m thu ph\u00ed, \u2026\r\n\r\nHi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 3 lo\u1ea1i barrier v\u00f4 c\u00f9ng ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u1eafp n\u01a1i l\u00e0 c\u1ea7n th\u1eb3ng, c\u1ea7n g\u1eadp v\u00e0 h\u00e0ng r\u00e0o (r\u00e0o ch\u1eafn). Trong \u0111\u00f3:\r\n