| 31. | The sulfide ore smelted by the Romans also yielded an enormous harvest of lead.
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| 32. | Precious metals can be dissolved in acid, sorted, and smelted into ingots.
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| 33. | All of Coalcleugh's lead ore was smelted at Allenheads Mill at Dirtpot.
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| 34. | Dillingen is the only location in the Saar region at which iron is smelted.
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| 35. | Alumina is smelted to produce aluminum metal.
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| 36. | Concentrates are smelted or refined into metal.
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| 37. | The ore initially was smelted on site, later in the nearby town of Clarkdale.
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| 38. | So, too, could a forest fire, a spewing volcano and smelted iron.
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| 39. | Steel components will be re-smelted.
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| 40. | The dictator had thousands of bells from churches and monasteries across the Soviet Union smelted.
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