中国的工厂多在沿海地区，主要做外贸出口，但是还有很多其它的加工企业。用英语讨论工业和工厂。
821. In the United States, there are many factories for making cloth.
美国有很多制造衣服的工厂.
822. Factories employ both male and female workers.
工厂中雇佣了男女工人.
823. If you work in a factory,you usually have to punch a clock.
如果你在工厂工作的话,你就需要在上下班记时卡上打孔.
824. Is meat packing a big industry in your country?
肉类包装在你们国家是不是一项大的工业?
825. Is it true that manufacturing of automobiles is a major industry?
汽车制造业是主要工业是真的吗？