Most have been used to the principle of having a fuse or safety switch that turns the fixture off if the bulb burns out.
如果灯泡烧毁，大多数设计人员都习惯于用保险丝或安全开关关闭照明器具。
If you see smoke due to operation of safety vent, please turn off the main switch or pull out the plug from the outlet.
若看见因防爆阀动作而产生的烟气，请关闭主开关或拔开离合器。
Safety feature-air purifier includes tip over switch and auto-shut off function to ensure safety.
安全功能包括尖端空气净化器的开关和自动关机功能，以确保安全。
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