char - clas
- choking
- chopper
- christmass candy
- chromadizing
- chromansil
- chromate coating
- chromate primer
- chromate treatment
- chromatizing
- Chromax
- chrome aluminizing
- chrome carbide die
- chrome firebrick
- chrome ironstone
- chrome oxide
- chrome pickle
- chrome solution
- chrome yellow
- chrome-magnesia refractory
- chrome-magnesite brick
- chrome-magnesite firebrick
- chrome-plating plant
- chromel
- chromel-constantan thermocouple
- Chromet
- chromhim silicide
- chromic compound
- chromic iron
- chromic oxide
- chromiferous
- chromite
- chromite ore
- chromite sand
- chromite-containing refractory
- chromitite
- chromium
- chromium coating
- chromium copper
- chromium depletion
- chromium ferrite