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。
2
What abut operating the fax and duplicators?
你会发传真和使用复印机吗？
3
The company disc makers released its first duplicators of disks blu-ray - ReflexBlu2 and ReflexBlu4.