chal - clam
- chalk
- chalk resistant
- chalk resisting
- chalking
- chalking resistance
- challenge
- challenge and reply
- challenge-and-reply authentication
- chamber
- chamfer
- chamfered
- chamois-leather
- chance
- chance hypothesis
- chance variation
- chances of advancement
- chances of promotion
- change
- change cycle
- change date
- change digit
- change dump
- change figure
- change in design
- change in shape
- change in temperature
- change letter
- change management
- change note: CN
- change of control
- change proposal: CP
- change request
- change spindle
- change status
- change wheel
- change-over
- change-over costs
- change-over facility
- change-over force
- change-over socket
