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1·Employers should provide a safe working environment, as far as is reasonably practicable.

只要条件许可，雇主就须提供安全的工作环境。《牛津词典》

2·Keep a safe working pressure.

保持安全工作压力。

3·Keep safe working load of derricks.

让吊杆在安全负荷下工作。

4·Safety. Ensure safe working practices.

安全。确保安全工作。

5·What's the safe working load of each derrick?

每根吊杠的安全工作负荷是多少？

6·The safe working load of each derrick is 5 tons.

每根吊杆的安全工作负荷是5吨。

7·What is the safe working load of the bitts in the bow area?

船首区域缆桩的安全工作负荷?。

8·Temperature and humidity controls should meet safe working practices.

温度和温度控制均须符合安全工作常规要求。

9·General ventilation controls should provide a safe working environment.

一般通风调控须足令工作环境安全。

10·Clearly mark safe working load (SWL) on the air winch below the rig floor.

标明钻台地下气动绞车的安全工作负荷。