ʻElua mau ala maʻamau o ka metallurgy honua laha, ʻo ia ka hydrometallurgy a me ka pyrometallurgy. Aia ka Hydrometallurgy i ke ʻano metallurgy chemical, a ʻo ke kaʻina holoʻokoʻa ka hapa nui i ka hopena a me ka solvent. No ka laʻana, ʻo ka decomposition o ka ʻāina koʻikoʻi concentrates, kaʻawale a me ka extractio ...
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