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Archimedes' screw

Archimedes' screw is one of several inventions and discoveries by Archimedes. It consists of a screw inside a pipe, and is used to lift water. The lower end of the device is put in the water, and the screw is then turned (usually by a windmill or by animal labor), raising the water.

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Sanskrit language

... and alveolar sibilants. Rounding out the consonants are the voiced and voiceless h (the voiceless h, called the visarga[?], tends to repeat the preceding vowel ...