In production and operation activities, illegal operation, illegal command, violation of labor discipline "Three-violations" phenomenon is still influencing factors to safety production.

在生产作业活动中，违章操作、违章指挥、违反劳动纪律的“三违”现象仍是影响安全生产的重要因素。

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Infrared ray sensor scans danger place and normal place whether there is person passing so the PLC can give correct command and safety measure.

采用红外传感器扫描危险位置和正常位置是否有人经过，以执行正确的命令和安全措施。

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They must abide harbor district traffic safety regulation, and submit to management personnel's command.

必须遵守港区道路安全的有关规定，服从管理人员的指挥。

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Depending on the timing and situation it may in fact be totally necessary to send men under your command to detain another soldier in order to ensure their safety.

NPR: Do Soldiers Receive Adequate Mental Health Care?

When this message is clear and credible, colleagues will not hesitate to call one another on errors in safety practice, and news of near misses will pass up the chain of command without impedance.

FORBES

The safety of our service personnel is one that all in government and the military chain of command take extremely seriously.

BBC: William Hague