水的循环使用是节水的重要途径，关键设备冷却塔的研究越来越受到重视。
Water recycling is an important way of saving water. Key equipment, cooling tower is receiving increasing attention to the study.
为了减少重量的另一大来源——水，古拉博士及其团队设计了内含可从净化水中俘获毒素的物质的一次性滤块，这使得净化水可被循环使用。
To reduce the other source of weight, the water, Dr Gura and his team designed disposable cartridges containing materials that capture toxins from the cleansing water, so that it can be recycled.
循环使用塑料，玻璃，金属和纸。鉴于几乎所有的东西都需要水来制造，因此购买可重复使用的产品，而非那些用过就扔的商品。
Recycle plastics, glass, metals, and paper. Buy re-usable products rather than throw-aways, as it takes water to make most everything.
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