31 март 2180 г. до нашей эры - Many different water treatment methods are mentioned in the Sanskrit medical writings known as the Sus’ruta Samhita, which dates back to about 2,000 B.C.
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Many different water treatment methods are mentioned in the Sanskrit medical writings known as the Sus’ruta Samhita, which dates back to about 2,000 B.C.
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Richard Thurston's Water TImeline
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