Aluminum oxides are commonly used to combat heartburn and to purify drinking water.

氧化铝被广泛使用于救治心脏病以及纯化饮用水方面。

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The women mix sawdust and clay to make flower pot shaped filters that they use to purify drinking water.

妇女们将锯屑和粘土混在一起，制造花盆状的滤水器，用来净化饮用水。

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These might include technologies to purify drinking water, diagnose disease, store and convert energy, and improve food processing and storage.

这其中有净化饮用水、疾病诊断、能量转化与贮存以及食品加工与贮藏等技术。

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The website HowStuffWorks has a fascinating article about RISUG that covers its genesis as a method to purify drinking water.

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To the long list of great ideas gone bad, add the UV Waterworks--a simple, cheap device to purify filthy drinking water in poor countries.

FORBES: Running dry

While the walls of the Inspiration Mars spacecraft will initially be lined with water-filled bags to guard against cosmic rays, their contents will be gradually replaced with er, byproduct that will be dehydrated through the bag (possibly using polyethylene) to reclaim and purify water for drinking.

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