Izinsimbi ezivame ukusetshenziswa ekwenzeni imishini yokwakha ziyinsimbi ecinyiwe neqinisiwe, insimbi eqinile, insimbi ekhabhoni neqinisiwe kanye nensimbi ene-nitride. Amandla egiya lensimbi eqinisiwe aphansi kancane kunalawo egiya lensimbi eliqinisiwe, futhi livame ukusetshenziselwa amagiya amakhulu, insimbi empunga eqinisiwe inezakhiwo ezimbi zemishini futhi ingasetshenziswa ekudlulisweni kwegiya elivulekile elinomthwalo omncane, insimbi ethambile ingathatha indawo yensimbi kancane ukuze yenze amagiya.
Esikhathini esizayo, amagiya emishini yokwakha ayathuthuka ngokuya ngomthwalo osindayo, isivinini esikhulu, ukunemba okuphezulu kanye nokusebenza kahle kakhulu, futhi alwela ukuba mancane ngobukhulu, abe lula ngesisindo, aphile isikhathi eside futhi abe nokwethenjelwa okungabizi.