The term 'METAL' is a broad category that encompasses many different elements, including eg, iron, and copper. These three metals are all commonly used in a variety of applications, from construction to electronics. Eg is a soft, malleable METAL that is often used in jewelry and coins. Iron is a strong, durable METAL that is used in the construction of buildings and bridges. Copper is a ductile METAL that is used in electrical wiring and plumbing.