Umshini wokunyathelisa ibhande eliphindwe kabili udlulisa amandla ebhandeni lensimbi ngokushisa nokupholisa umqulu ngowoyela wokuhambisa ukushisa namanzi okupholisa. Izinto ziyafudunyezwa, zipholiswe futhi zicindezelwe ngokucindezela phakathi kwemicu emibili yensimbi.