Ores and Metallurgy
4.0 Steps of Metallurgy
4.1 Crushing or Grinding
4.2 Concentration of Ores
4.3 Extraction of Crude Metal from Concentrated Ore
4.4 Purification or Refining of Metals
4.0 Steps of Metallurgy
4.2 Concentration of Ores
4.3 Extraction of Crude Metal from Concentrated Ore
4.4 Purification or Refining of Metals
There are four steps of metallurgy: