Umhwamuko wamanzi
Umhwamuko wamanzi uyisimo esiluhowo samanzi.Ungesinye sezimo zamanzi esitholakala kwihwambulunga.Umhwamuko wamanzi ongakhiqizwa ngenqubo yokuhwamuka, noma ukudlidliza kwamanzi awuketshezi or ngokumoyaka kweqhwa.Umhwamuko uluntwentwe, njengezakhi eziningi nomoyambulunga.Ngaphansi kwezimo zomoyambulunga ezivamile, umhwamuko wamanzi uphehlwa ngokuqhubekayo inqubo yokuhwamuka futhi ususwa ukujika.Awukho lugqinsi njengezinye izakhi eziningi zomoya futhi uyisisusa sokuchaduluka okungabanga amafu nenkungu.