The aim of this safe work practice is to ensure a safe system of work by utilizing the proper personal protective equipment.

本安全规程的目的是通过利用合适的个人保护设备以确保一个安全的作业系统。

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This paper analyses the principle and functions of protective earthing and hanging earthing conductor , and analyses the existing problems in practice.

分析了保护接地和挂接地线的工作原理、作用以及使用过程中存在的问题，值得工矿企业安全用电借鉴。

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It is proved in practice that for the data acquisition system of protective relaying testing instrument replacing the serial transmission by USB communication is imperative.

实践证明，在继电保护测试仪的数据采集系统中用usb传输取代串口传输是势在必行的。

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In practice, the case isn't much different in dimensions to a standard protective iPhone case, if a little chunkier along the base.

ENGADGET: Canopy Sensus case adds backscreen and side touch to iPhones (hands-on)

In the UK, the established practice is to operate on the baby almost immediately after birth and place a protective layer of tissue around the spine.

BBC: Surgery hope for unborn babies