Copper Smelter,Arizona. Smelting is the process of removing pure metal from its ore by heating the oxidized ore in the presence of a reducing agent and a fluxing agent | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hollyman, Thomas |
Bildgröße: | 3796 px × 2550 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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