a red-brown metal often used in electric wire and pipes
Ancient hunters melted copper to make knives and spears.
The chef prefers using copper pots and pans in the kitchen due to their excellent heat conductivity.
The statue, made of polished copper, gleamed in the sunlight as a prominent feature in the city park.
Copper is a crucial element in electrical wiring and is widely used in the construction of power cables.
Over time, the exterior of the historic building oxidized, giving it a distinct greenish hue characteristic of weathered copper.
