Riggers and signal persons also need standard training and testing to ensure safety under the hook. 装配工人和发信号的人也需要标准的培训和测试,以确保安全下钩。
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。
Its growth inevitably riggers some law level thinking. 它的发展必然会影响引发一些法律层次的思考。