Isingeniso: Imishini yokuhamba emoyeni yokuhamba emoyeni ehamba phambili ivele njengesixazululo esishintsha umdlalo emkhakheni womshini wokukhuculula ry. Le mishini yokuguqula inikeza izinzuzo eziningi kanye nentuthuko ekwelashweni kwamanzi angcolile, ukwenziwa kwamanzi, nezinqubo zokuhlukanisa okuqinile. Kulesi sihloko, sizohlola ezweni elithakazelisayo lokugeleza okuvundle