Ukuqhumisa isanti kuyagqwesa ekususeni ngokupheleleyo iingubo, ipeyinti, izinto zokuncamathelisa, ukungcola, isikali semill, ukutshiza i-welding, i-slag, kunye ne-oxidation kuyo yonke indawo yomphezulu wenxalenye. Iindawo okanye amabala kwinxalenye ethile kunokuba nzima ukufikelela kuwo xa usebenzisa idiski erhabaxa, ivili elijijekileyo, okanye amavili eentambo. Oku kubangela ukuba iindawo ziphinde zi...
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