I-castin yotyalo-maliInkqubo ye-g ibhekisa ekwenzeni imodeli ngewax, ukusonga umaleko wezinto ezilahlayo ezifana nodongwe ngaphandle, ukufudumeza iwax ukuze inyibilike kwaye iphume, ukuze ufumane iqokobhe elingenanto elenziwe ngezinto ezichasayo, kwaye emva koko ugalele isinyithi.kwiqokobhe elingenanto emva kokunyibilika.Emva kokuba intsimbi ipholile, i-refractory material iyachithwa ukuze ifumane i-mold metal.Le nkqubo yokucubungula isinyithi ibizwa ngokuba yi-investment casting, eyaziwa ngokuba yi-investment casting okanye ukulahleka kwe-wax.