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Isithando soMbane sokubamba
Uphawu
1. Ukushisa okuphezulu kwe-alloy wire okanye i-silicon carbon rod equkethe izinto ezinqabileyo zisetyenziselwa ukufudumeza, okuthembekileyo, okukhuselekileyo, ubomi benkonzo ende kwaye kulula ukuyibuyisela nokugcina.
2. I-furnace lining ekhethiweyo ephuma kumazwe angaphandle ekumgangatho ophezulu, ukugalelwa okudibeneyo, ubomi benkonzo engaphezulu kweminyaka emihlanu, akukho aluminium, akukho lahleko ye-crucible, akukho ukwanda kwentsimbi;
