Impahla yokuhlanza amanzi kanye nempahla yokuthambisa amanzi kokubili kuyimishini yokuhlanza amanzi, futhi umehluko wabo useqophelweni lamanzi ahlanzekile.Imishini yokuhlanza amanzi iyisisetshenziswa esisetshenziselwa ukuhlanza ikhwalithi yamanzi, engasusa ngempumelelo izinto eziqinile ezimisiwe, amagciwane, amagciwane, engisindayo...
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