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1 janv. 2000 av. J.-C. - Stated in the Hygiene for Health website, the purification of water started in 2000 BC, they purified water by boiling and filtering, which was described in Sanskrit writings.

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Water and Sanitation Timeline

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10 janv. 2018
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1 janv. 2000 av. J.-C.
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~ Il y a 4027 ans
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