Waste treatment [transformation]; Metal treating; Material treatment information; Metal casting; Refining services of metals; Treatment of hazardous liquids; Heat treatment of metals; Stone crushing for mining; Recycling of chemicals; Recycling and waste treatment; Treatment of materials in the nature of ore by means of obtaining metal from metallic ores, native metallic ores, processed metallic ores or from metal-containing waste; Material processing, namely, obtaining metals from native earth materials; Treatment of common metal materials; Treatment and processing of ores and ore concentrates; Treatment of materials in the nature of metallic ores, native metallic ores, processes metallic ores, metal-containing waste, metal alloys, metals from minerals, and articles made wholly, mainly or partially from metals by means of hydrometallurgical processing