- combustible, inflammable
- converter, transducer, transformer
- converter card, transformer card
- change, variation, alternation
- cast; sich ~ warp
- catch up, make good
- caravan (UK), camper (US)
- cog wheel; gear; gearwheel
- co-operate, work together
- compile, put together
- collide, crash
- condition, state; (Straßenbedingungen) road condition
- controlled; force-guided
- cap screw, socket head screw
- cylinder locking, bolt action
- closed-loop control circuit, control loop
- control range, correcting range
- control time, correcting time
- controller coupling,coupling
- closed-loop, control circuit
- control accuracy, control precision
- control response, control behaviour
- computerized numerical control, CNC
- clip-on microphone, lavalier clip-on microphone
- cone loudspeaker, cone system
- composite loudspeaker, multichannel loudspeaker
- capacitor microphone, condenser microphone; electrostatic microphone
- capacitor loudspeaker, condenser loudspeaker
- contact noise, frying noise; frying; cracking noise; line scratches (BRI)
- crystal microphone, piezoelectric microphone
- conductor track routing, conducting track routing
- control equipment, controller
- cross-connect, strap; jumper
- common alarm, summary alarm (BRI)
- central unit, common unit
- construction standard, packaging standard
- cable assignment, cabling code; cable code
- cable harness, cable form
- compact design, compact structure
- clean room, classified room
- capacity reduction, capacity cutback
- cotter pin, slit pin
- clamping device, fixture; clamping appliance
- cutting shaping, machining
- chuck jaw, jaw
- cutting machine tool, cutting tool
- contracting force, shrinking force
- cutting, keen
- corrugation, ondulation
- compressive stress, compression stress
