I am a mechanician.(electrician, Pipelayer,welder, carpenter, turner, blacksmith, builder, erector, riveter,rigger, concrete worker, engine-driver,repair worker).

我是一个机械。（电、管、焊、、、铁、建筑人、安装人、铆、起、混凝土、司机、维修）。

The monitoring on the performance of the sub-contractors was also inadequate, resulting in the employment of untrained and inexperienced riggers and signaller in rigging and lifting operations.

在无充判商表现之情况下，引致在索具装配及起操作过程中雇用了未受训练及缺乏经验的操作员及讯号员。