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A New procedure of light at the bottom and deep waters in the Rivers and Irrigation channels covering the mouth of each well with Siphon Valve Automatic ClosingTo prevent the entry of foreign bodies in the murky Waters.
A New procedure of light at the bottom and deep waters in the Rivers and Irrigation channels covering the mouth of each well with Siphon Valve Automatic ClosingTo prevent the entry of foreign bodies in the murky Waters.
