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Why can ocean water be treated to make drinking water? - Quora
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Filtering Water with Cloth - Poor Man's Preparing - YouTube
A teenager was lost at sea for 49 days and it has been said that he filtered sea water through his shirt to use as drinking water. How well would that actually
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Can you Filter Water with a Shirt?
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Indonesian Teen Uses Genius Water Filter Method to Survive 49 Days at Sea
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