I-Granite iyinketho edumile yezinto eziyisisekelo kumadivayisi okucubungula ngokunemba ngenxa yokuqina kwayo, ukuzinza, nokumelana nokulimala okuvela ekushiseni, ukuklwebheka, nokuchitheka kwamakhemikhali.Kodwa-ke, njenganoma iyiphi enye impahla engaphezulu, idinga ukunakekelwa okufanele nokunakekelwa ukugcina...
Funda kabanzi