1.威胁人身安全的错误操作法⑴用不结实的绳索吊挂重物。维修拖拉机时,常见用麻绳、尼龙绳及三角胶带等吊卸发动机、变速箱,这是很不安全的。正确做法:用结实的钢丝绳,三脚架也必须地脚稳固,用吊车悬吊时,重物下面不得有人通过或站立。⑵支撑车辆的错误做法。当轮胎损坏或更换时,用砖头、石块、木块或单独用一个千斤顶支撑,这样做是不安全的。正确做法:在坚实的平地上进行,用千斤顶和结实木墩同 1. Threaten the personal safety of false operation ⑴ with heavy rope hanging heavy objects. Maintenance of tractors, it is common to use hemp rope, nylon rope and triangular tape hoisting engine, gearbox, which is very unsafe. The correct approach: With a solid wire rope, tripod must also be solid feet, suspended by a crane, the following no one can pass or stand. ⑵ support the wrong vehicle practices. When the tire is damaged or replaced, it is not safe to use bricks, stones, wood blocks, or single jacks. Correct approach: on a solid level ground, with jacks and solid wood pier with the same