Copper is also one of the cheaper metals which makes it more feasible to use.

They claimed that gold wedding rings actually turned to cheap metal in my presence.

After filling the hole with a cheaper metal, the two halves would be welded back together again.

They can be much cheaper than other old things, especially if they are made of cheap metals like copper.

"Turner," one of the men said, rising, cheap metal flashing from his teeth.

This density would be lower than that of gold if cheaper and less dense metals had been added.

This allows a cheaper metal to be used as a filler.

It was locked, but the cheap metal gave way when he accidentally levered at the lid.

From 1940 on, the badges were made of a cheap "white" metal as the silver was in short supply.