cont - corr
- copper ore reserve
- copper oxide
- copper oxide slag
- copper plant
- copper precipitate
- copper product
- copper production
- copper products
- copper radiation
- copper removal
- copper scale
- copper scum
- copper sheet
- copper silicate
- copper slab
- copper smeltery
- copper smelting
- copper solution
- copper stain
- copper steel
- copper strip
- copper vitriol
- copper wedge cake
- copper wire rod
- copper works
- copper-accelerated salt-spray
- copper-bearing mineral
- copper-braid contact pad
- copper-chromium steel
- copper-constantan thermocouple
- copper-converting plant
- copper-free aluminum-base alloy
- copper-gold
- copper-hardened gold
- copper-hydrogen brazing
- copper-iron junction
- copper-nickel distance
- copper-plated
- copper-powder compact
- copper-smelting furnace