N\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y nh\u00ecn t\u1eeb g\u00f3c ng\u01b0\u1eddi c\u00f4ng nh\u00e2n tr\u1ef1c ti\u1ebfp s\u1eed d\u1ee5ng. \u0110\u1ec3 hi\u1ec3u d\u00e2y \u0111ai an to\u00e0n l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng ra sao, xem b\u00e0i t\u1ed5ng quan c\u1ee7a chuy\u00ean m\u1ee5c.<\/p>\n\n\n\n Ba nh\u00f3m d\u01b0\u1edbi \u0111\u00e2y kh\u00e1c nhau \u1edf ki\u1ec3u kho\u00e1 v\u00e0 \u1edf ch\u1ed7 b\u1ea3n \u0111ai t\u00ec v\u00e0o ng\u01b0\u1eddi, ch\u1ee9 kh\u00f4ng kh\u00e1c nhau v\u1ec1 m\u1ee9c ch\u1ecbu l\u1ef1c. M\u1ee9c ch\u1ecbu l\u1ef1c do ph\u1ea7n kim lo\u1ea1i v\u00e0 \u0111\u01b0\u1eddng ch\u1ec9 kh\u00e2u quy\u1ebft \u0111\u1ecbnh, v\u00e0 con s\u1ed1 \u0111\u00f3 n\u1eb1m trong bi\u00ean b\u1ea3n th\u1eed c\u1ee7a l\u00f4 h\u00e0ng ch\u1ee9 kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft:<\/p>\n\n\n\n Lo\u1ea1i d\u00e2y \u0111ai n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. D\u00e2y \u0111ai an to\u00e0n c\u00f3 kh\u00f3a t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3n \u0111ai t\u1ef1 gi\u1eef ch\u1eb7t sau khi si\u1ebft, kh\u00f4ng t\u1ef1 n\u1edbi ra trong ca l\u00e0m vi\u1ec7c d\u00f9 ng\u01b0\u1eddi \u0111eo c\u1eed \u0111\u1ed9ng nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng b\u1ea3n \u0111ai tu\u1ed9t d\u1ea7n r\u1ed3i tr\u01b0\u1ee3t kh\u1ecfi v\u1ecb tr\u00ed \u0111\u00fang tr\u00ean th\u00e2n ng\u01b0\u1eddi. Kh\u00f3a t\u1ef1 \u0111\u1ed9ng c\u0169ng gi\u00fap ng\u01b0\u1eddi s\u1eed d\u1ee5ng ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c khi c\u1ea7n th\u00e1o l\u1eafp d\u00e2y \u0111ai.<\/p>\n\n\n\n C\u1ea7n t\u00e1ch hai th\u1ee9 hay b\u1ecb g\u1ecdi chung l\u00e0 kh\u00f3a t\u1ef1 \u0111\u1ed9ng. Kh\u00f3a tr\u00ean b\u1ea3n \u0111ai ch\u1ec9 gi\u1eef cho b\u1ea3n \u0111ai kh\u1ecfi tu\u1ed9t sau khi si\u1ebft; c\u00f2n b\u1ed9 ph\u1eadn t\u1ef1 h\u00e3m l\u1ea1i khi c\u00f3 gia t\u1ed1c r\u01a1i th\u00ec n\u1eb1m \u1edf d\u00e2y c\u1ee9u sinh t\u1ef1 cu\u1ed1n, m\u1ed9t thi\u1ebft b\u1ecb ri\u00eang treo tr\u00ean \u0111i\u1ec3m neo. M\u00f3c kh\u00f3a \u0111i k\u00e8m c\u0169ng c\u00f3 y\u00eau c\u1ea7u ri\u00eang: m\u1ee5c 1910.140 c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd an to\u00e0n lao \u0111\u1ed9ng Hoa K\u1ef3 ch\u1ec9 ch\u1ea5p nh\u1eadn lo\u1ea1i t\u1ef1 kh\u00f3a c\u1ea7n hai thao t\u00e1c li\u00ean ti\u1ebfp m\u1edbi m\u1edf \u0111\u01b0\u1ee3c, \u0111\u1ec3 m\u00f3c kh\u00f4ng b\u1eadt ra khi qu\u1ec7t v\u00e0o k\u1ebft c\u1ea5u.<\/p>\n\n\n\n Kho\u00e1 c\u00e0i l\u00e0 ki\u1ec3u hai \u0111\u1ea7u b\u1ea3n \u0111ai g\u00e0i v\u00e0o nhau nh\u01b0 kho\u00e1 th\u1eaft l\u01b0ng, m\u1edf ra b\u1eb1ng m\u1ed9t thao t\u00e1c b\u1ea5m. M\u1eb7t \u0111\u01b0\u1ee3c l\u00e0 th\u00e1o nhanh khi c\u1ea7n c\u1edfi \u0111ai gi\u1eefa ca; m\u1eb7t tr\u00e1i l\u00e0 m\u1ed7i l\u1ea7n \u0111eo l\u1ea1i ph\u1ea3i ch\u1ec9nh \u0111\u1ed9 d\u00e0i, n\u00ean ng\u01b0\u1eddi \u0111eo hay \u0111\u1ec3 nguy\u00ean n\u1ea5c c\u0169 cho nhanh, v\u00e0 n\u1ea5c c\u0169 th\u01b0\u1eddng l\u00e0 n\u1ea5c c\u1ee7a ng\u01b0\u1eddi m\u1eb7c tr\u01b0\u1edbc. B\u1ea3n \u0111ai \u0111\u00f9i ch\u00f9ng m\u1ed9t gang tay \u0111\u00e3 \u0111\u1ee7 \u0111\u1ec3 ng\u01b0\u1eddi t\u1ee5t xu\u1ed1ng trong \u0111ai khi b\u1ecb gi\u1eef l\u1ea1i, d\u1ed3n l\u1ef1c v\u00e0o b\u1eb9n thay v\u00ec v\u00e0o m\u1eb7t ngo\u00e0i \u0111\u00f9i.<\/p>\n\n\n\n Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 x\u00e2y d\u1ef1ng, c\u1eaft t\u1ec9a c\u00e2y c\u1ed1i, ho\u1eb7c l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c c\u1ea5u tr\u00fac cao t\u1ea7ng, vi\u1ec7c s\u1eed d\u1ee5ng d\u00e2y \u0111ai an to\u00e0n ch\u1ed1ng r\u01a1i t\u1eeb \u0111\u1ed9 cao l\u00e0 h\u1ebft s\u1ee9c quan tr\u1ecdng. C\u00e1c lo\u1ea1i d\u00e2y \u0111ai n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao, ch\u1ea5t li\u1ec7u ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 kh\u00f3a an to\u00e0n \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 h\u00e3m c\u00fa r\u01a1i l\u1ea1i ngay khi ng\u01b0\u1eddi th\u1ee3 tr\u01b0\u1ee3t ch\u00e2n.<\/p>\n\n\n\n Ch\u1ecdn lo\u1ea1i n\u00e0o th\u00ec c\u0169ng ph\u1ea3i t\u00ednh \u0111\u01b0\u1ee3c kho\u1ea3ng tr\u1ed1ng r\u01a1i tr\u01b0\u1edbc khi mua. Ph\u00e9p c\u1ed9ng g\u1ed3m b\u1ed1n ph\u1ea7n: qu\u00e3ng r\u01a1i t\u1ef1 do t\u1edbi l\u00fac d\u00e2y c\u0103ng, qu\u00e3ng bung c\u1ee7a b\u1ed9 gi\u1ea3m ch\u1ea5n, ph\u1ea7n gi\u00e3n c\u1ee7a b\u1ea3n \u0111ai c\u1ed9ng chi\u1ec1u cao t\u1eeb v\u00f2ng D xu\u1ed1ng b\u00e0n ch\u00e2n ng\u01b0\u1eddi, v\u00e0 m\u1ed9t kho\u1ea3ng d\u1ef1 ph\u00f2ng. M\u1ee5c 1926.502 c\u1ee7a OSHA ch\u1ed1t hai \u0111\u1ea7u c\u1ee7a ph\u00e9p c\u1ed9ng \u0111\u00f3: qu\u00e3ng bung c\u1ee7a b\u1ed9 gi\u1ea3m ch\u1ea5n kh\u00f4ng qu\u00e1 3,5 ft, t\u1ee9c kho\u1ea3ng 1,07 m, v\u00e0 ng\u01b0\u1eddi kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1m m\u1eb7t s\u00e0n b\u00ean d\u01b0\u1edbi. \u1ede gi\u00e0n gi\u00e1o t\u1ea7ng th\u1ea5p, ph\u00e9p c\u1ed9ng n\u00e0y th\u01b0\u1eddng ra con s\u1ed1 l\u1edbn h\u01a1n chi\u1ec1u cao \u0111\u1ee9ng, v\u00e0 \u0111\u00f3 l\u00e0 l\u00fac ph\u1ea3i chuy\u1ec3n sang d\u00e2y c\u1ee9u sinh t\u1ef1 cu\u1ed1n thay v\u00ec d\u00e2y ch\u1ed1ng s\u1ed1c d\u00e0i 1,8 m.<\/p>\n\n\n\n Ba l\u1ed7i l\u00e0m h\u1ecfng c\u1ea3 b\u1ed9 \u0111ai \u0111\u1ec1u x\u1ea3y ra tr\u01b0\u1edbc khi ng\u01b0\u1eddi th\u1ee3 r\u1eddi m\u1eb7t \u0111\u1ea5t: ch\u1ec9nh sai n\u1ea5c, m\u00f3c sai v\u00f2ng, v\u00e0 neo sai ch\u1ed7.<\/p>\n\n\n\n Ba vi\u1ec7c d\u01b0\u1edbi \u0111\u00e2y l\u00e0m theo \u0111\u00fang th\u1ee9 t\u1ef1, m\u1ed7i l\u1ea7n l\u00ean cao:<\/p>\n\n\n\n R\u00e0 b\u1eb1ng tay d\u1ecdc to\u00e0n b\u1ed9 b\u1ea3n \u0111ai, g\u1eadp t\u1eebng \u0111o\u1ea1n ch\u1eebng hai \u0111\u1ed1t ng\u00f3n tay cho s\u1ee3i bung ra \u2014 v\u1ebft c\u1eaft, v\u1ebft ch\u00e1y v\u00e0 ch\u1ed7 s\u1ee3i x\u00f9 ch\u1ec9 l\u1ed9 ra khi b\u1ea3n \u0111ai b\u1ecb g\u1eadp l\u1ea1i. Soi k\u1ef9 \u0111\u01b0\u1eddng ch\u1ec9 kh\u00e2u \u1edf ch\u1ed7 n\u1ed1i b\u1ea3n \u0111ai v\u1edbi v\u00f2ng D: ch\u1ec9 \u0111\u1ee9t v\u00e0i m\u0169i \u1edf \u0111\u00f3 l\u00e0 l\u00fd do lo\u1ea1i b\u1ecf, kh\u00f4ng ph\u1ea3i l\u00fd do kh\u00e2u l\u1ea1i. K\u00e9o th\u1eed kho\u00e1 cho \u0103n kh\u1edbp r\u1ed3i bu\u00f4ng, xem l\u1eaby c\u00f3 b\u1eadt v\u1ec1 v\u1ecb tr\u00ed \u0111\u00f3ng kh\u00f4ng. Cu\u1ed1i c\u00f9ng nh\u00ecn b\u1ed9 gi\u1ea3m ch\u1ea5n tr\u00ean d\u00e2y ch\u1ed1ng s\u1ed1c: n\u1ebfu v\u1ecf b\u1ecdc \u0111\u00e3 r\u00e1ch ho\u1eb7c ph\u1ea7n g\u1ea5p b\u00ean trong \u0111\u00e3 k\u00e9o d\u00e0i ra, b\u1ed9 d\u00e2y \u0111\u00f3 \u0111\u00e3 h\u00e3m m\u1ed9t c\u00fa r\u01a1i v\u00e0 kh\u00f4ng d\u00f9ng l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n \u0110eo \u0111ai xong, ki\u1ec3m b\u1eb1ng hai ph\u00e9p th\u1eed tay. \u1ede \u0111ai ng\u1ef1c, lu\u1ed3n \u0111\u01b0\u1ee3c b\u00e0n tay d\u1eb9t gi\u1eefa b\u1ea3n \u0111ai v\u00e0 ng\u1ef1c l\u00e0 v\u1eeba; l\u1ecdt c\u1ea3 n\u1eafm tay l\u00e0 c\u00f2n ch\u00f9ng. \u1ede \u0111ai \u0111\u00f9i, lu\u1ed3n \u0111\u01b0\u1ee3c hai ng\u00f3n tay d\u1eb9t gi\u1eefa b\u1ea3n \u0111ai v\u00e0 m\u1eb7t trong \u0111\u00f9i l\u00e0 v\u1eeba. V\u00f2ng D sau l\u01b0ng ph\u1ea3i n\u1eb1m gi\u1eefa hai b\u1ea3 vai, ngang t\u1ea7m g\u00e1y; v\u00f2ng D t\u1ee5t xu\u1ed1ng ngang th\u1eaft l\u01b0ng ngh\u0129a l\u00e0 b\u1ea3n \u0111ai vai c\u00f2n ch\u00f9ng v\u00e0 ph\u1ea3i k\u00e9o l\u1ea1i tr\u01b0\u1edbc khi leo.<\/p>\n\n\n\n C\u00e1ch k\u1ebft n\u1ed1i d\u00e2y \u0111ai an to\u00e0n v\u1edbi \u0111i\u1ec3m neo:<\/p>\n\n\n\n \u0110i\u1ec3m neo l\u00e0 b\u1ed9 ph\u1eadn hay b\u1ecb l\u00e0m qua loa nh\u1ea5t, v\u00ec n\u00f3 kh\u00f4ng thu\u1ed9c b\u1ed9 \u0111ai v\u00e0 th\u01b0\u1eddng do ng\u01b0\u1eddi \u1edf hi\u1ec7n tr\u01b0\u1eddng t\u1ef1 ch\u1ecdn. M\u1ee5c 1926.502 bu\u1ed9c \u0111i\u1ec3m neo d\u00f9ng cho h\u1ec7 ch\u1ed1ng r\u01a1i ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ed1i thi\u1ec3u 5.000 lb, t\u1ee9c kho\u1ea3ng 22 kN, cho m\u1ed7i ng\u01b0\u1eddi m\u00f3c v\u00e0o, v\u00e0 ph\u1ea3i \u0111\u1ed9c l\u1eadp v\u1edbi \u0111i\u1ec3m treo s\u00e0n thao t\u00e1c. Thanh gi\u1eb1ng gi\u00e1o, \u1ed1ng n\u01b0\u1edbc v\u00e0 m\u00e1ng d\u1eabn c\u00e1p kh\u00f4ng \u0111\u1ea1t con s\u1ed1 \u0111\u00f3 d\u00f9 nh\u00ecn c\u00f3 v\u1ebb ch\u1eafc ch\u1eafn.<\/p>\n\n\n\n Ri\u00eang ph\u1ea7n m\u00f3c kho\u00e1 c\u00f3 y\u00eau c\u1ea7u \u0111\u1ecbnh l\u01b0\u1ee3ng m\u00e0 nh\u00e3n h\u00e0ng th\u01b0\u1eddng kh\u00f4ng ghi. M\u1ee5c 1926.502 c\u1ee7a OSHA v\u1ec1 h\u1ec7 ch\u1ed1ng r\u01a1i trong x\u00e2y d\u1ef1ng<\/a> bu\u1ed9c v\u00f2ng D v\u00e0 m\u00f3c kho\u00e1 ph\u1ea3i qua ph\u00e9p th\u1eed nghi\u1ec7m thu \u1edf l\u1ef1c k\u00e9o t\u1ed1i thi\u1ec3u 3.600 lb, t\u1ee9c kho\u1ea3ng 16 kN, m\u00e0 kh\u00f4ng n\u1ee9t, kh\u00f4ng g\u00e3y v\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n; c\u1ea3 h\u1ec7 c\u00f2n ph\u1ea3i l\u1eafp sao cho ng\u01b0\u1eddi kh\u00f4ng r\u01a1i t\u1ef1 do qu\u00e1 1,8 m v\u00e0 kh\u00f4ng ch\u1ea1m m\u1eb7t s\u00e0n b\u00ean d\u01b0\u1edbi. C\u0169ng m\u1ee5c n\u00e0y gi\u1edbi h\u1ea1n l\u1ef1c gi\u1eadt l\u00ean th\u00e2n ng\u01b0\u1eddi \u1edf 1.800 lb, t\u1ee9c kho\u1ea3ng 8 kN, khi d\u00f9ng \u0111ai to\u00e0n th\u00e2n \u2014 ch\u00ednh b\u1ed9 gi\u1ea3m ch\u1ea5n tr\u00ean d\u00e2y ch\u1ed1ng s\u1ed1c l\u00e0 th\u1ee9 k\u00e9o l\u1ef1c xu\u1ed1ng d\u01b0\u1edbi ng\u01b0\u1ee1ng \u0111\u00f3. Khi nh\u1eadn h\u00e0ng theo l\u00f4, h\u00e3y y\u00eau c\u1ea7u bi\u00ean b\u1ea3n th\u1eed c\u1ee7a ch\u00ednh l\u00f4 \u0111\u00f3 cho ph\u1ea7n kim lo\u1ea1i, v\u00ec \u0111\u00e2y l\u00e0 b\u1ed9 ph\u1eadn b\u1ecb l\u00e0m nh\u00e1i nhi\u1ec1u nh\u1ea5t v\u00e0 c\u0169ng l\u00e0 b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 \u0111\u00e1nh gi\u00e1 b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/p>\n\n\n\n B\u1ea3n \u0111ai l\u00e0m b\u1eb1ng s\u1ee3i polyester ho\u1eb7c nylon, v\u00e0 c\u1ea3 hai \u0111\u1ec1u m\u1ea5t d\u1ea7n \u0111\u1ed9 b\u1ec1n khi ph\u01a1i n\u1eafng l\u00e2u. C\u1ea5t \u0111ai trong b\u00f3ng r\u00e2m, treo l\u00ean m\u00f3c thay v\u00ec vo tr\u00f2n nh\u00e9t v\u00e0o th\u00f9ng \u0111\u1ed3 ngh\u1ec1, v\u00ec n\u1ebfp g\u1eadp c\u1ed1 \u0111\u1ecbnh l\u00e0 ch\u1ed7 s\u1ee3i m\u00f2n tr\u01b0\u1edbc. B\u00f9n xi m\u0103ng b\u00e1m v\u00e0o b\u1ea3n \u0111ai c\u0169ng m\u00e0i s\u1ee3i m\u1ed7i l\u1ea7n \u0111ai co gi\u00e3n, n\u00ean gi\u1eb7t b\u1eb1ng n\u01b0\u1edbc v\u00e0 x\u00e0 ph\u00f2ng trung t\u00ednh r\u1ed3i hong kh\u00f4 trong b\u00f3ng r\u00e2m; kh\u00f4ng s\u1ea5y, kh\u00f4ng ph\u01a1i n\u1eafng g\u1eaft, kh\u00f4ng d\u00f9ng dung m\u00f4i.<\/p>\n\n\n\n Th\u1ef1c hi\u1ec7n hu\u1ea5n luy\u1ec7n v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u00fang c\u00e1ch:<\/p>\n\n\n\n Bu\u1ed5i h\u01b0\u1edbng d\u1eabn n\u00ean c\u00f3 ba vi\u1ec7c l\u00e0m t\u1eadn tay: \u0111eo v\u00e0 ch\u1ec9nh \u0111ai l\u00ean ch\u00ednh ng\u01b0\u1eddi th\u1ee3 s\u1ebd d\u00f9ng n\u00f3, ch\u1ec9 t\u1eadn n\u01a1i v\u00f2ng D n\u00e0o d\u00f9ng cho h\u1ec7 ch\u1ed1ng r\u01a1i v\u00e0 v\u00f2ng n\u00e0o ch\u1ec9 \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb l\u00e0m vi\u1ec7c, v\u00e0 cho ng\u01b0\u1eddi th\u1ee3 t\u1ef1 t\u00ednh kho\u1ea3ng tr\u1ed1ng r\u01a1i \u1edf \u0111\u00fang v\u1ecb tr\u00ed h\u1ecd s\u1ebd \u0111\u1ee9ng h\u00f4m \u0111\u00f3. Ph\u1ea7n thi\u1ebfu nhi\u1ec1u nh\u1ea5t trong c\u00e1c bu\u1ed5i h\u01b0\u1edbng d\u1eabn l\u00e0 k\u1ebf ho\u1ea1ch c\u1ee9u ng\u01b0\u1eddi: ai l\u1ea5y thang, ai g\u1ecdi, v\u00e0 b\u1eb1ng c\u00e1ch n\u00e0o \u0111\u01b0a \u0111\u01b0\u1ee3c ng\u01b0\u1eddi \u0111ang treo xu\u1ed1ng \u2014 v\u00ec ng\u01b0\u1eddi b\u1ecb treo trong \u0111ai kh\u00f4ng t\u1ef1 leo l\u00ean l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n Ba vi\u1ec7c tr\u00ean m\u1ea5t ch\u1eebng n\u0103m ph\u00fat m\u1ed7i ca, v\u00e0 \u0111\u1ec1u ph\u1ea3i l\u00e0m tr\u01b0\u1edbc khi r\u1eddi m\u1eb7t \u0111\u1ea5t ch\u1ee9 kh\u00f4ng ph\u1ea3i sau khi \u0111\u00e3 l\u00ean cao.<\/p>\n\n\n\n Khi c\u1ea5p ph\u00e1t theo l\u00f4, ba th\u1ee9 d\u01b0\u1edbi \u0111\u00e2y quy\u1ebft \u0111\u1ecbnh b\u1ed9 \u0111ai c\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u00fang hay kh\u00f4ng, v\u00e0 c\u1ea3 ba n\u1eb1m \u1edf kh\u00e2u giao h\u00e0ng ch\u1ee9 kh\u00f4ng \u1edf kh\u00e2u ch\u1ecdn mua:<\/p>\n\n\n\n \u0110i\u1ec3m m\u00f3c tr\u00ean chi\u1ebfc \u0111ai do quy \u0111\u1ecbnh ch\u1ed1t ch\u1ee9 kh\u00f4ng do ng\u01b0\u1eddi \u0111eo ch\u1ecdn. V\u00f2ng d\u00e0nh cho h\u1ec7 ch\u1ed1ng r\u01a1i ph\u1ea3i n\u1eb1m gi\u1eefa l\u01b0ng ngang vai, \u0111\u1ec3 khi b\u1ecb gi\u1eef l\u1ea1i th\u00ec ng\u01b0\u1eddi treo \u1edf t\u01b0 th\u1ebf th\u1eb3ng \u0111\u1ee9ng, \u0111\u1ea7u h\u01b0\u1edbng l\u00ean. Hai khoen b\u00ean h\u00f4ng l\u00e0 \u0111i\u1ec3m c\u1ee7a h\u1ec7 \u0111\u1ecbnh v\u1ecb l\u00e0m vi\u1ec7c, d\u00f9ng \u0111\u1ec3 t\u00ec ng\u01b0\u1eddi v\u00e0o c\u1ed9t hay v\u00e0o k\u1ebft c\u1ea5u cho r\u1ea3nh hai tay, v\u00e0 m\u00f3c d\u00e2y ch\u1ed1ng r\u01a1i v\u00e0o \u0111\u00f3 l\u00e0 c\u00e1ch d\u1ed3n to\u00e0n b\u1ed9 l\u1ef1c h\u00e3m v\u00e0o v\u00f9ng th\u1eaft l\u01b0ng. L\u00fac c\u1ea5p ph\u00e1t, h\u00e3y ch\u1ec9 t\u1eadn n\u01a1i t\u1eebng v\u00f2ng tr\u00ean chi\u1ebfc \u0111ai th\u1eadt v\u00e0 n\u00f3i r\u00f5 v\u00f2ng n\u00e0o d\u00f9ng v\u00e0o vi\u1ec7c g\u00ec, v\u00ec tr\u00ean \u0111ai to\u00e0n th\u00e2n ch\u00fang nh\u00ecn kh\u00e1 gi\u1ed1ng nhau.<\/p>\n\n\n\n Kh\u00f4ng s\u1eed d\u1ee5ng d\u00e2y \u0111ai an to\u00e0n h\u1ecfng ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u h\u1ecfng h\u00f3c<\/p>\n\n\n\n Tr\u00ean b\u1ea3n \u0111ai, ba d\u1ea5u hi\u1ec7u l\u00e0 l\u00fd do lo\u1ea1i b\u1ecf ngay: s\u1ee3i b\u1ecb c\u1eaft ngang d\u00f9 ch\u1ec9 m\u1ed9t v\u1ec7t, ch\u1ed7 s\u1ee3i ch\u1ea3y c\u1ee9ng l\u1ea1i do b\u1eafn x\u1ec9 h\u00e0n, v\u00e0 v\u1ec7t b\u1ea1c tr\u1eafng do axit ho\u1eb7c dung m\u00f4i l\u00e0m m\u1ee5c s\u1ee3i. V\u1ec7t b\u1ea1c tr\u1eafng kh\u00f3 th\u1ea5y nh\u1ea5t v\u00ec b\u1ea3n \u0111ai v\u1eabn nguy\u00ean h\u00ecnh d\u1ea1ng, nh\u01b0ng ch\u1ec9 c\u1ea7n k\u00e9o hai \u0111\u1ea7u l\u00e0 s\u1ee3i \u0111\u1ee9t. B\u1ed9 \u0111ai \u0111\u00e3 b\u1ecb lo\u1ea1i n\u00ean c\u1eaft ngang b\u1ea3n \u0111ai r\u1ed3i m\u1edbi b\u1ecf, \u0111\u1ec3 n\u00f3 kh\u00f4ng quay l\u1ea1i hi\u1ec7n tr\u01b0\u1eddng qua tay ng\u01b0\u1eddi kh\u00e1c.<\/p>\n\n\n\n Ch\u1ed7 c\u1ea5t \u0111ai kh\u00f4ng n\u00ean chung v\u1edbi th\u00f9ng \u0111\u1ef1ng dung m\u00f4i, d\u1ea7u m\u00e1y hay b\u00ecnh \u1eafc quy. H\u01a1i axit t\u1eeb b\u00ecnh \u1eafc quy l\u00e0m m\u1ee5c s\u1ee3i polyester theo ki\u1ec3u kh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft r\u00e1ch, n\u00ean b\u1ea3n \u0111ai c\u1ea5t c\u1ea1nh \u1eafc quy c\u1ea3 m\u00f9a c\u00f3 th\u1ec3 tr\u00f4ng v\u1eabn c\u00f2n m\u1edbi m\u00e0 \u0111\u00e3 m\u1ea5t ph\u1ea7n l\u1edbn \u0111\u1ed9 b\u1ec1n k\u00e9o.<\/p>\n\n\n\n Kh\u00f4ng \u0111\u1eb7t qu\u00e1 nhi\u1ec1u tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean d\u00e2y \u0111ai an to\u00e0n<\/p>\n\n\n\n Kh\u1ed1i l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 gi\u1edbi h\u1ea1n ghi tr\u00ean nh\u00e3n, v\u00e0 con s\u1ed1 \u0111\u00f3 t\u00ednh c\u1ea3 ng\u01b0\u1eddi l\u1eabn \u0111\u1ed3 ngh\u1ec1 \u0111eo tr\u00ean ng\u01b0\u1eddi. Ng\u01b0\u1eddi n\u1eb7ng c\u1ed9ng t\u00fai \u0111\u1ed3 ngh\u1ec1 \u0111\u1ea7y c\u00f3 th\u1ec3 v\u01b0\u1ee3t ng\u01b0\u1ee1ng m\u00e0 kh\u00f4ng ai \u0111\u1ec3 \u00fd, v\u00ec c\u00e2n n\u1eb7ng ghi trong h\u1ed3 s\u01a1 s\u1ee9c kho\u1ebb l\u00e0 c\u00e2n n\u1eb7ng ng\u01b0\u1eddi kh\u00f4ng mang g\u00ec.<\/p>\n\n\n\n Ph\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng c\u00f2n m\u1ed9t m\u1eb7t kh\u00e1c m\u00e0 nh\u00e3n h\u00e0ng kh\u00f4ng ghi. M\u1ee5c 1910.140 c\u1ea5m h\u1eb3n vi\u1ec7c m\u01b0\u1ee3n h\u1ec7 ch\u1ed1ng r\u01a1i c\u00e1 nh\u00e2n \u0111\u1ec3 n\u00e2ng v\u1eadt t\u01b0, v\u00ec b\u1ed9 gi\u1ea3m ch\u1ea5n \u0111\u01b0\u1ee3c t\u00ednh cho kh\u1ed1i l\u01b0\u1ee3ng m\u1ed9t ng\u01b0\u1eddi \u0111ang r\u01a1i ch\u1ee9 kh\u00f4ng cho ki\u1ec7n h\u00e0ng treo l\u01a1 l\u1eedng. C\u0169ng quy \u0111\u1ecbnh \u1ea5y lo\u1ea1i \u0111ai eo ra kh\u1ecfi th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 ch\u1ed1ng r\u01a1i; \u0111ai eo ch\u1ec9 c\u00f2n ch\u1ed7 \u0111\u1ee9ng trong h\u1ec7 \u0111\u1ecbnh v\u1ecb l\u00e0m vi\u1ec7c, v\u00e0 khi d\u00f9ng th\u00ec b\u1ea3n \u0111ai ph\u1ea3i r\u1ed9ng t\u1ed1i thi\u1ec3u 4,1 cm \u0111\u1ec3 l\u1ef1c \u00e9p kh\u00f4ng d\u1ed3n v\u00e0o m\u1ed9t v\u1ec7t h\u1eb9p tr\u00ean b\u1ee5ng.<\/p>\n\n\n\n Ngo\u00e0i l\u1ea7n ki\u1ec3m tra tr\u01b0\u1edbc ca do ch\u00ednh ng\u01b0\u1eddi \u0111eo l\u00e0m, b\u1ed9 \u0111ai c\u00f2n c\u1ea7n m\u1ed9t l\u1ea7n ki\u1ec3m tra do ng\u01b0\u1eddi c\u00f3 th\u1ea9m quy\u1ec1n th\u1ef1c hi\u1ec7n v\u00e0 ghi v\u00e0o s\u1ed5 k\u00e8m ng\u00e0y. C\u00e1c b\u01b0\u1edbc g\u1ed3m soi kho\u00e1, soi ch\u1ec9 kh\u00e2u \u1edf c\u00e1c m\u1ed1i n\u1ed1i b\u1ea3n \u0111ai, v\u00e0 xem b\u1ed9 gi\u1ea3m ch\u1ea5n c\u1ee7a d\u00e2y ch\u1ed1ng s\u1ed1c \u0111\u00e3 bung ra hay ch\u01b0a. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o, h\u00e3y \u0111\u01b0a b\u1ed9 \u0111ai ra kh\u1ecfi hi\u1ec7n tr\u01b0\u1eddng v\u00e0 thay b\u1eb1ng b\u1ed9 m\u1edbi; \u0111ai v\u00e0 d\u00e2y ch\u1ed1ng r\u01a1i kh\u00f4ng ph\u1ea3i m\u00f3n \u0111\u1ec3 v\u00e1 l\u1ea1i r\u1ed3i d\u00f9ng ti\u1ebfp.<\/p>\n\n\n\n Ph\u1ea7n hu\u1ea5n luy\u1ec7n c\u00f3 gi\u00e1 tr\u1ecb nh\u1ea5t l\u00e0 ph\u1ea7n cho ng\u01b0\u1eddi th\u1ee3 treo th\u1eed trong \u0111ai \u1edf \u0111\u1ed9 cao th\u1ea5p, c\u00f3 \u0111\u1ec7m b\u00ean d\u01b0\u1edbi. Ch\u1ec9 khi treo th\u1eadt, ng\u01b0\u1eddi \u0111eo m\u1edbi bi\u1ebft \u0111ai c\u1ee7a m\u00ecnh ch\u00f9ng \u1edf ch\u1ed7 n\u00e0o, v\u00e0 bi\u1ebft c\u1ea3m gi\u00e1c d\u1ed3n l\u1ef1c v\u00e0o b\u1eb9n kh\u00e1c th\u1ebf n\u00e0o so v\u1edbi d\u1ed3n l\u1ef1c v\u00e0o m\u1eb7t ngo\u00e0i \u0111\u00f9i.<\/p>\n\n\n\n T\u00f3m l\u1ea1i ba \u0111i\u1ec3m d\u1ec5 sai nh\u1ea5t khi c\u1ea5p ph\u00e1t: ch\u1ec9nh n\u1ea5c theo \u0111\u00fang ng\u01b0\u1eddi s\u1ebd \u0111eo, ch\u1ec9 r\u00f5 v\u00f2ng D n\u00e0o d\u00f9ng v\u00e0o vi\u1ec7c g\u00ec, v\u00e0 ch\u1ed1t \u0111i\u1ec3m neo tr\u01b0\u1edbc khi ng\u01b0\u1eddi th\u1ee3 leo l\u00ean.<\/p>\n\n\n\n Chi\u1ebfc \u0111ai ch\u1ec9 ph\u00e1t huy t\u00e1c d\u1ee5ng khi \u0111i\u1ec3m neo n\u1eb1m cao h\u01a1n v\u00f2ng D sau l\u01b0ng ng\u01b0\u1eddi \u0111eo. \u0110i\u1ec3m neo c\u00e0ng th\u1ea5p th\u00ec qu\u00e3ng r\u01a1i t\u1ef1 do tr\u01b0\u1edbc khi d\u00e2y c\u0103ng ra c\u00e0ng d\u00e0i, l\u1ef1c gi\u1eadt d\u1ed3n l\u00ean th\u00e2n ng\u01b0\u1eddi c\u00e0ng l\u1edbn, v\u00e0 kho\u1ea3ng tr\u1ed1ng b\u00ean d\u01b0\u1edbi c\u00e0ng d\u1ec5 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 d\u1eebng ng\u01b0\u1eddi l\u1ea1i tr\u01b0\u1edbc khi ch\u1ea1m s\u00e0n. Neo ngang th\u1eaft l\u01b0ng hay neo d\u01b0\u1edbi ch\u00e2n l\u00e0 ki\u1ec3u l\u1eafp khi\u1ebfn ng\u01b0\u1eddi th\u1ee3 r\u01a1i h\u1ebft chi\u1ec1u d\u00e0i d\u00e2y r\u1ed3i m\u1edbi b\u1ecb gi\u1eadt l\u1ea1i. C\u00f9ng m\u1ed9t b\u1ed9 \u0111ai, c\u00f9ng m\u1ed9t s\u1ee3i d\u00e2y ch\u1ed1ng s\u1ed1c, ch\u1ec9 kh\u00e1c ch\u1ed7 m\u00f3c \u0111\u1ea7u tr\u00ean, k\u1ebft qu\u1ea3 \u0111\u00e3 kh\u00e1c h\u1eb3n.<\/p>\n\n\n\n C\u00f2n m\u1ed9t t\u00ecnh hu\u1ed1ng hay b\u1ecb b\u1ecf qua: ng\u01b0\u1eddi \u0111\u00e3 b\u1ecb gi\u1eef l\u1ea1i v\u00e0 \u0111ang treo l\u01a1 l\u1eedng. \u1ede t\u01b0 th\u1ebf treo b\u1ea5t \u0111\u1ed9ng, b\u1ea3n \u0111ai \u0111\u00f9i \u00e9p v\u00e0o m\u1eb7t trong \u0111\u00f9i v\u00e0 c\u1ea3n d\u00f2ng m\u00e1u v\u1ec1 tim, n\u00ean t\u00ecnh tr\u1ea1ng ng\u01b0\u1eddi treo x\u1ea5u \u0111i d\u1ea7n k\u1ec3 c\u1ea3 khi c\u00fa r\u01a1i kh\u00f4ng g\u00e2y ch\u1ea5n th\u01b0\u01a1ng g\u00ec. V\u00ec v\u1eady k\u1ebf ho\u1ea1ch c\u1ee9u ng\u01b0\u1eddi ph\u1ea3i vi\u1ebft ra t\u1eeb tr\u01b0\u1edbc, ch\u1ee9 kh\u00f4ng ph\u1ea3i ngh\u0129 ra l\u00fac \u0111ang c\u00f3 ng\u01b0\u1eddi treo tr\u00ean \u0111\u1ea7u.<\/p>\n\n\n\n C\u00e1ch r\u00fat ng\u1eafn th\u1eddi gian treo c\u00f3 hai h\u01b0\u1edbng. H\u01b0\u1edbng th\u1ee9 nh\u1ea5t l\u00e0 ch\u1ecdn v\u1ecb tr\u00ed neo sao cho ng\u01b0\u1eddi b\u1ecb gi\u1eef l\u1ea1i v\u1eabn v\u1edbi tay t\u1edbi \u0111\u01b0\u1ee3c s\u00e0n ho\u1eb7c k\u1ebft c\u1ea5u \u0111\u1ec3 t\u1ef1 \u0111\u1ee1. H\u01b0\u1edbng th\u1ee9 hai l\u00e0 trang b\u1ecb s\u1eb5n b\u00e0n \u0111\u1ea1p treo \u2014 m\u1ed9t v\u00f2ng d\u00e2y g\u1ea5p g\u1ecdn m\u00f3c v\u00e0o \u0111ai, khi c\u1ea7n th\u00ec th\u1ea3 xu\u1ed1ng \u0111\u1ec3 ng\u01b0\u1eddi treo \u0111\u1eb7t ch\u00e2n v\u00e0o v\u00e0 du\u1ed7i \u0111\u01b0\u1ee3c ch\u00e2n, gi\u1ea3i ph\u00f3ng ph\u1ea7n \u0111\u00f9i \u0111ang b\u1ecb b\u1ea3n \u0111ai \u00e9p.<\/p>\n\n\n\n Ng\u01b0\u1eddi d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t c\u0169ng c\u00f3 ph\u1ea7n vi\u1ec7c ph\u1ea3i chu\u1ea9n b\u1ecb tr\u01b0\u1edbc: bi\u1ebft v\u1ecb tr\u00ed thang ho\u1eb7c xe n\u00e2ng ng\u01b0\u1eddi g\u1ea7n nh\u1ea5t, bi\u1ebft s\u1ed1 g\u1ecdi c\u1ea5p c\u1ee9u n\u1ed9i b\u1ed9, v\u00e0 bi\u1ebft ai trong t\u1ed5 c\u00f3 th\u1ec3 leo l\u00ean ti\u1ebfp c\u1eadn. Ba th\u1ee9 \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c n\u00f3i ra \u1edf \u0111\u1ea7u ca, c\u00f9ng l\u00fac v\u1edbi vi\u1ec7c ch\u1ed1t \u0111i\u1ec3m neo.<\/p>\n\n\n\n Sau khi \u0111\u01b0a \u0111\u01b0\u1ee3c ng\u01b0\u1eddi xu\u1ed1ng, b\u1ed9 \u0111ai v\u00e0 s\u1ee3i d\u00e2y ch\u1ed1ng s\u1ed1c \u0111\u00e3 h\u00e3m c\u00fa r\u01a1i \u0111\u00f3 ph\u1ea3i b\u1ecb lo\u1ea1i b\u1ecf, k\u1ec3 c\u1ea3 khi nh\u00ecn c\u00f2n nguy\u00ean v\u1eb9n. B\u1ed9 gi\u1ea3m ch\u1ea5n ch\u1ec9 bung \u0111\u01b0\u1ee3c m\u1ed9t l\u1ea7n, v\u00e0 b\u1ea3n \u0111ai \u0111\u00e3 ch\u1ecbu l\u1ef1c gi\u1eadt th\u00ec kh\u00f4ng c\u00f2n gi\u1eef nguy\u00ean m\u1ee9c ch\u1ecbu l\u1ef1c ban \u0111\u1ea7u.<\/p>\n\n\n\n To\u00e0n b\u1ed9 b\u00e0i n\u00e0y quy v\u1ec1 m\u1ed9t c\u00e2u: chi\u1ebfc \u0111ai ch\u1ec9 l\u00e0m \u0111\u01b0\u1ee3c vi\u1ec7c khi \u0111i\u1ec3m neo n\u1eb1m cao h\u01a1n v\u00f2ng D, khi b\u1ea3n \u0111ai \u0111\u01b0\u1ee3c ch\u1ec9nh theo \u0111\u00fang ng\u01b0\u1eddi \u0111ang \u0111eo, v\u00e0 khi c\u00f3 ng\u01b0\u1eddi d\u01b0\u1edbi \u0111\u1ea5t bi\u1ebft ph\u1ea3i l\u00e0m g\u00ec trong m\u01b0\u1eddi ph\u00fat \u0111\u1ea7u sau c\u00fa r\u01a1i.<\/p>\n\n\n\n V\u1edbi c\u00f4ng vi\u1ec7c leo tr\u00e8o \u1edf \u0111\u1ed9 cao v\u1eeba ph\u1ea3i, m\u1eabu d\u00e2y an to\u00e0n A4 kh\u00f3a nh\u1ecf<\/a> l\u00e0 lo\u1ea1i th\u00f4ng d\u1ee5ng t\u1ea1i nhi\u1ec1u c\u00f4ng tr\u00ecnh; xem th\u00eam c\u00e1c ki\u1ec3u d\u00e2y \u0111ai to\u00e0n th\u00e2n v\u00e0 d\u00e2y ch\u1ed1ng s\u1ed1c trong nh\u00f3m thi\u1ebft b\u1ecb ch\u1ed1ng r\u01a1i ng\u00e3<\/a> \u0111\u1ec3 ch\u1ecdn \u0111\u00fang b\u1ed9 neo \u0111i k\u00e8m.<\/p>\n","protected":false},"excerpt":{"rendered":" D\u00e2y \u0111ai an to\u00e0n h\u00e3m c\u00fa r\u01a1i l\u1ea1i tr\u01b0\u1edbc khi ng\u01b0\u1eddi ch\u1ea1m s\u00e0n. B\u00e0i vi\u1ebft ch\u1ec9 r\u00f5 v\u00f2ng D n\u00e0o d\u00f9ng cho h\u1ec7 ch\u1ed1ng r\u01a1i, v\u00f2ng n\u00e0o ch\u1ec9 d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb l\u00e0m vi\u1ec7c, c\u00e1ch ki\u1ec3m tra tr\u01b0\u1edbc ca v\u00e0 v\u00ec sao \u0111i\u1ec3m neo ph\u1ea3i n\u1eb1m cao h\u01a1n vai.<\/p>\n","protected":false},"author":761,"featured_media":64333,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6919],"tags":[142,6294,6379],"class_list":["post-64332","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-bai-co-traffic","tag-day-dai-an-toan","tag-day-dai-an-toan-bao-ho","tag-day-dai-an-toan-cao-cap"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=64332"}],"version-history":[{"count":43,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64332\/revisions"}],"predecessor-version":[{"id":98299,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/64332\/revisions\/98299"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/64333"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=64332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=64332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=64332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"D\u00e2y](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2017\/05\/day-dai-an-toan-toan-than.jpg\" "\\"\\"")
C\u00e1c Lo\u1ea1i D\u00e2y \u0110ai An To\u00e0n Ph\u1ed5 Bi\u1ebfn<\/h2>\n\n\n\n
D\u00e2y \u0110ai An To\u00e0n C\u00f3 Kh\u00f3a T\u1ef1 \u0110\u1ed9ng<\/strong><\/h3>\n\n\n\n
D\u00e2y \u0110ai An To\u00e0n C\u00f3 Kh\u00f3a C\u00e0i<\/strong><\/h3>\n\n\n\n
D\u00e2y \u0110ai Ch\u1ed1ng R\u01a1i Cho X\u00e2y D\u1ef1ng V\u00e0 C\u1eaft T\u1ec9a C\u00e2y C\u1ed1i<\/strong><\/h3>\n\n\n\n
C\u00e1ch \u0110eo V\u00e0 Neo D\u00e2y \u0110ai An To\u00e0n \u0110\u00fang K\u1ef9 Thu\u1eadt<\/h2>\n\n\n\n
Ki\u1ec3m Tra Tr\u01b0\u1edbc Khi S\u1eed D\u1ee5ng<\/strong><\/h3>\n\n\n\n
C\u00e1ch Th\u1eaft V\u00e0 \u0110i\u1ec1u Ch\u1ec9nh D\u00e2y \u0110ai An To\u00e0n<\/strong><\/h3>\n\n\n\n
V\u1ec7 Sinh V\u00e0 B\u1ea3o D\u01b0\u1ee1ng \u0110\u00fang C\u00e1ch<\/strong><\/h3>\n\n\n\n
![\"D\u00e2y](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/11\/day-dai-an-toan-ban-than-han-quoc.jpg\" "\\"\\"")
L\u01b0u \u00dd Khi C\u1ea5p D\u00e2y \u0110ai An To\u00e0n Cho C\u00f4ng Nh\u00e2n<\/h2>\n\n\n\n
Lu\u00f4n Gi\u1eef D\u00e2y \u0110ai An To\u00e0n S\u1ea1ch S\u1ebd V\u00e0 Kh\u00f4 R\u00e1o<\/strong><\/h3>\n\n\n\n
Tham Gia C\u00e1c Kh\u00f3a Hu\u1ea5n Luy\u1ec7n An To\u00e0n Lao \u0110\u1ed9ng<\/strong><\/h3>\n\n\n\n
![\"D\u00e2y](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/04\/day-dai-an-toan-cho-tho-dien.jpg\" "\\"\\"")
\u0110i\u1ec3m M\u00f3c Ph\u00eda Tr\u00ean \u0110\u1ea7u M\u1edbi L\u00e0 Th\u1ee9 C\u1ee9u Ng\u01b0\u1eddi Khi Tr\u01b0\u1ee3t Ch\u00e2n<\/h2>\n\n\n\n
![\"C\u00f4ng](\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2019\/04\/day-dai-an-toan-tren-cao.jpg\" "\\"\\"")