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IsiXhobo sokuThweba saManzi esinamanqanaba amaninzi
Izixhobo zokucocwa kwamanzi ezinamanqanaba amaninzi luhlobo lwezixhobo zokucoca amanzi eziphezulu, ezisebenzisa ukuhluzwa kwamanqanaba amaninzi, ukutshintshiselana kwe-ion kunye nezinye iinkqubo zokunciphisa ubulukhuni be-ion (ikakhulukazi i-calcium ions kunye ne-magnesium ions) emanzini, ukuze kufezekiswe injongo yokuthambisa amanzi.