| For production, the ore was smelted, then the resultant iron bloom was hammered, stretched, and annealed to remove impurities. |
| Because these minerals were principally sulfides, they were roasted to form oxides and were then smelted to recover a lead-silver alloy. |
| To make smalt, cobalt ore is smelted, and the resulting cobalt oxide poured into molten glass. |
| At Swansea, the ore was smelted using huge quantities of cheap coal, producing a poisoned landscape. |
| Copper is smelted near the town of Ghatsila, in East Singhbhum, while Jamshedpur district is the seat of iron and steel production. |
| The aluminum industry is different from some other metal-producing industries in that aluminum is refined before it is smelted. |
