Inkungu yamanzi enomfutho ophakeme ingalawula umlilo, icindeze umlilo futhi icime umlilo ngaphansi kwemiphumela emithathu yokupholisa, ukuphefumula kanye nemisebe yokushisa. Kuwubuchwepheshe obusebenza kahle kakhulu bokubuyisela isifutho samanzi esivamile, inkungu yamanzi ephakathi nephansi, igesi, i-aerosol, impushana eyomile, igwebu nezinye izindlela zokucisha.