copper-asbestos-type
copper-base
copper-bearing
copper-clad
copper-coated
copper-hardened
copper-hydrogen
copperization
copperize
copperlight
  copper-nickel
copper-oxide
copperplate
copper-plated
copper-platinum
copper-sheathed
copper-smelting
copperspun
copper-to-superconductor
copper-weld
copper-zinc