Copper is widely used in the electrical and electronic industries, accounting for more than half of the total consumption. Copper is also used in various cables and wires, windings of motors and transformers, switches, and printed circuit boards. In the manufacture of machinery and transportation vehicles, it is used to manufacture industrial valves and fittings, meters, sliding bearings, molds, heat exchangers, and pumps. It is widely used in the chemical industry to manufacture vacuum vessels, distillation pots, brewing pots, etc. In the defense industry, it is used to manufacture bullets, shells, gun parts, etc. For every 1 million bullets produced, 13 to 14 tons of copper are needed. In the construction industry, it is used as various pipes, pipe fittings, decorative devices, etc. Kitchen utensils, cooking shovels,s, and spoons are all coated with copper. It can be seen that copper is widely used.
