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。

youdao

Objective to explore the safety of iris hook in the vitrectomy operation of eyes with small pupil.

目的探讨虹膜拉钩在小瞳孔玻璃体手术中应用的安全性。

youdao

One end of the draw rod fixedly connected with the outer end of the telescopic rod is connected with a safety draw hook.

所述的伸缩杆的外端固定连接有牵杆，在该牵杆的端部连接有保险牵引钩。

youdao

With state money, the Centre for Court Innovation, in partnership with the Brooklyn district attorney and Victim Services, has set up the Red Hook Public Safety Corps.

ECONOMIST: Dispensing justice

There was a scare for Celtic when 'keeper Rab Douglas dropped a corner kick but Stanislav Varga was on hand to hook the ball to safety.

BBC: Motherwell 2-1 Celtic

Jurors ultimately let Bell off the hook, after hearing that the helmet complied with federal safety regulations.

FORBES: Jurors Can Hear Evidence Bike Helmet Met Standards, Court Rules