Izinsimbi ezivame ukusetshenziselwa ukwenza amagiya emishini yokwakha ziyinsimbi ecishiwe futhi epholile, insimbi eqinile, insimbi eboshiwe neqinile nensimbi ene-nitrided. Amandla egiya lensimbi elicijile aphansi kancane kunalawo amagiya ensimbi akhiwe, futhi avame ukusetshenziselwa amagiya amakhulu, insimbi empunga inezakhiwo ezingasebenzi kahle futhi ingasetshenziswa ekudluliselweni kwegiya elivulekile elilayisha ukukhanya, i-ductile iron ingabuyisela ingxenye yensimbi ukwenza amagiya.
Ngokuzayo, amagiya emishini yokwakha athuthuka abheke komthwalo osindayo, isivinini esikhulu, ukunemba okuphezulu nokusebenza kahle okuhle kakhulu, futhi alwela ukuba mancane ngosayizi, alula ngesisindo, isikhathi eside empilweni kanye nokwethembeka ngokomnotho.