Processing of ores, steel and common metals and their alloys, namely, obtaining metals from native earth materials; metal treating and all treatment of metals through mechanical, thermomechanical or chemical transformation of the properties and characteristics of metals, namely, direct reduction of iron, metal tempering, finishing of metal surfaces, soldering, brazing, casting, anodizing, [ chromium plating, ] sintering, [ electrolytic zinc plating, phosphatizing, milling, ] shaping, tin-plat...

Processing of ores, steel and common metals and their alloys, namely, obtaining metals from native earth materials; metal treating and all treatment of metals through mechanical, thermomechanical or chemical transformation of the properties and characteristics of metals, namely, direct reduction of iron, metal tempering, finishing of metal surfaces, soldering, brazing, casting, anodizing, [ chromium plating, ] sintering, [ electrolytic zinc plating, phosphatizing, milling, ] shaping, tin-plat...

Common metals and their alloys

Treatment of minerals, steel, common metals and their alloys; treatment and recycling of chemicals; treatment and recycling of industrial waste; information regarding the treatment of materials and the recycling of chemicals and industrial waste

Treatment of minerals, steel, common metals and their alloys; treatment and recycling of chemicals; treatment and recycling of industrial waste; information regarding the treatment of materials and the recycling of chemicals and industrial waste