coin - comp
- combustion region
- combustion well
- combustion-heated furnace
- combustion-product gas
- comeback
- comet tails
- command room
- commencement of liquefaction
- commensurable
- commercial alloy
- commercial copper
- commercial development
- commercial forging steel
- commercial forms
- commercial foundry
- commercial fuel
- commercial furnace
- commercial grade
- commercial iron
- commercial iron casting
- commercial lead
- commercial machine
- commercial manufacture
- commercial measurement
- commercial product
- commercial purity stocks
- commercial recovery
- commercial slag
- commercial steel
- commercial stock lengths
- commercial tin
- commercial titanium
- commercial titanium alloys
- commercial tolerance
- commercial zinc
- commercial zinc oxide
- commercial-purity
- comminute
- comminuted powder
- comminution