The contracts are based on the average monthly price for copper, which could easily fall within the 90-to-95-cent range in coming months.

Construction is the single largest source of demand for copper.

He also prospected for gold and copper without too much success.

Much of the demand for copper comes from industrial activity.

An economic expansion would probably increase demand for copper, which is used in industry and construction.

The decline of the state company began in the late 1980's when the global demand for copper dropped.

And it would be a good idea to also check for copper.

For iron and copper, some related proteins are also included.

Essentially the price for copper is the same all over the world.

Daily dietary standards for copper have been set by various health agencies around the world.