Tsarin ruwan sha na jama'a na amfani da hanyoyin magance ruwa daban-daban don samarwa al'ummarsu tsaftataccen ruwan sha.Tsarin ruwa na jama'a yawanci suna amfani da jerin matakan kula da ruwa, gami da coagulation, flocculation, sedimentation, tacewa da lalata.Matakai 4 na Al'umma Wa...
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