Inqubo YomkhiqizoI-Semi GPC (SGPC) ivela kungqimba lokuvikela i-acheson furnace. Izinga lokushisa le-graphitization lisebangenika-1700-2500ºC. Ingowomkhiqizo we-graphitization yokushisa kwe-themedium. I-recarburizer engabizi kakhulu ene-ikhabhoni ezinzile ephezulu, okuqukethwe kwesulfure okuphansi, izinga lokuncibilika okusheshayo kanye nezinga eliphezulu lokumuncwa.