Kunezinhlobo eziningi zezinto zokusetshenziswa ze-recarburizer, futhi inqubo yokukhiqiza nayo ihlukile. Kukhona ikhabhoni yokhuni, ikhabhoni yamalahle, icoke, igraphite, njll., phakathi kwazo kunezigaba eziningi ezincane ngaphansi kwezigaba ezahlukahlukene...
Funda kabanzi