Isicelo: Lo mshini uwuhlobo olusha lokusebenza kahle kakhulu nesihlukanisi kazibuthe esonga amandla esifanele ukucaciswa kwebhande okuhlukile.Ikakhulu isetshenziselwa izinsimbi ezilahliwe, insimbi ye-slag yensimbi, insimbi yokuncishiswa okuqondile kwesitshalo sensimbi, i-iron Foundry iron nezinye i-metallurgical slag iron.