If you reduce waste, reuse things instead of throwing them out, and recycle materials such as paper, plastic, and glass, you will protect the environment.

如果你减少产生的垃圾，重复使用而不是扔掉东西，并且回收如纸，塑料，玻璃等材料，你将保护环境。

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This paper analyses the expansion of the industrial waste water disposing system of Guangzhou copper Materials co. Ltd. that brought by the company's expansion of and gives reuse of the waste water.

本文研究广州铜材厂有限公司现有工业废水处理系统由于企业扩大产能所需进行的扩容和废水的重复利用。

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The CES has an area for companies to demonstrate products that save energy, reduce waste and reuse materials.

VOA: special.2010.01.26