In the paper, says there's a man going round pretending he is from the electricity board.
报纸上说有一个人到处假装自己是电力局的。
It can be caused by a build-up of static electricity indoors from carpets or clothing made of man-made fibres, or from TV sets, duplicators or computer display screens.
它可能是由室内地毯、人造纤维制成的衣服、电视机、复印机或电脑显示屏积聚的静电引起的。
These redundant and passive safety systems work without the help of an operator, or even electricity, during times of duress, be it man-made or natural.
在由于人为或自然事故发生而触发强迫停机期间,这些冗余的、被动的安全系统不需要操作员或者电力的帮助即可工作。
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