If you lag the water pipes with pieces of old woollen garments before the winter starts, you can prevent the water from freezing and bursting the pipes.
你如果在冬季到来之前用旧毛呢衣把水管包上，就可以防止管内的水冻结，管子也不会爆裂。
An example is a coating of car window panes to prevent water from condensing and freezing in winter.
有这样的一个例子，一种汽车玻璃窗的涂层可以防止冬天玻璃窗上的水冷凝结冰。
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