1. Ukwelashwa kwangaphambili kwamanzi okwakheka Imizimba yamanzi yemvelo ivame ukuqukatha udaka, ubumba, umquba nokunye okumisiwe kanye nokungcola kwe-colloidal namagciwane, isikhunta, ulwelwe, amagciwane kanye nezinye izinambuzane, zinokuzinza okuthile emanzini, yiyona ehamba phambili. imbangela yokuguquguquka kwamanzi, umbala kanye nephunga.I...
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