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Graph of Metal smelting
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Charcoal production
Control of fire
Metal smelting
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Charcoal production
→
Metal smelting
enables
Charcoal provides high temperatures and a reducing atmosphere, making smelting in metallurgical furnaces possible.
Control of fire
→
Metal smelting
cross domain transfer
Control of combustion, temperature, and air supply transferred from the energy domain to the materials domain, giving rise to smelting processes for extracting metals from ores.