I am a mechanician.(electrician, Pipelayer,welder, carpenter, turner, blacksmith, builder, erector, riveter,rigger, concrete worker, engine-driver,repair worker). 我是一个机械工。（电工、管工、焊工、木工、车工、铁工、建筑工人、安装工人、铆工、起重工、混凝土工、司机、维修工）。
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. 在无充分监察分判商表现之情况下，引致在索具装配及起重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。
But rigging such a hi-tech system over a raging torrent is no easy feat, and it requires a specialist rigger.
但是，要在一条如此狂怒的激流上安装这样的高端系统可不是件容易的活，需要有专业的装配人员。
BBC 听力 2013年12月合集
He created a ragged simpler reliable weapon but could withstand the riggers of the service in the field that some of its technology may have been borrowed from German weapons from late World War II.