Izintengo zensimbi zanamuhla ziyaqhubeka nokukhuphuka, ngenxa yamanani emakethe yakamuva akhuphuka ngokushesha kakhulu, okuholela esimweni sokuhweba jikelele sivivi, izinsiza eziphansi kuphela ezingathengiswa, ubuthakathaka bokuhweba amanani aphezulu.Nokho, abathengisi abaningi banethemba ngokulindelwe emakethe esikhathini esizayo, futhi intengo ye-billet ekugcineni kwempahla eluhlaza ikhuphuke ngo-70, namanje eqinile. Amathuba okwehliswa kwentengo yemakethe mancane amathuba okuba.Izintengo zensimbi kusalindeleke ukuthi zikhuphuke.Imakethe yamapayipi ensimbi engenamthungo nayo iyaqhubeka nokukhuphuka.