Izinto ezidala igebe lentengo ye izitini eziphakeme ze-alumina

Intengo yezitini ze-alumina ephezulu ishintshashintsha kakhulu emakethe. Umehluko wamanani entengo yezinto ezingavuthiwe, izinqubo zokukhiqiza kanye nezindleko zabasebenzi ezindaweni ezihlukahlukene kuyisici esiyinhloko esithinta ngokuqondile ukwehla kwentengo.