Copper

Flash Smelting Furnace
Furnace Dryout / Heatup, OptiFlame Melting Technology
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Ausmelt / Isasmelt
Furnace Dryout / Heatup, OptiFlame Melting Technology
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Pierce Smith Rotary Furnace
Furnace Dryout / Heatup, Ipcu, OptiFlame Melting Technology
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Fix Angular Type
Furnace Dryout / Heatup, Ipcu, OptiFlame Melting Technology
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Reverb Furnace
Furnace Dryout / Heatup, Ipcu, OptiFlame Melting Technology
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