This industry performs refining, alloy manufacturing, processing, and other services for non-ferrous metals such as aluminum, copper, zinc, nickel, and gold. Also included are manufacturing corporations which make electrical wires, cables, and other products using non-ferrous metals. Non-ferrous metals are an essential part of manufacturing and are used in countless products including IT devices, automobiles, and home appliances. In order to address concerns regarding resource depletion, the industry is working on themes such as metal recycling, environmental protection, and development of new materials.