- control shaft
- control size
- control statement
- control system
- control technique
- control unit
- control wheel
- control zone
- controlled
- controlled dumping
- controlled spillway
- controlling
- controlling system
- convection
- convection superheater
- convectional rain
- convector
- convene
- conventional cable
- conventional memory
- conventional sign
- converge
- convergence beam
- convergence series
- convergent
- convergent paths
- converging lens
- conversational language
- conversational program
- conversely
- conversion frequency
- conversion loss
- conversion ratio
- conversotional mode
- converter top
- converting
- converting furnace
- convex-dished
- convexo-concave
- convexoconcave
- conveyance structure
- conveyer
- conveying roller
- conveyor belt
- conveyor way
- convolute
- convoluted
- convolve
- cookbook
- cool air
- cool chamber
- cool operation
- cool water
- coolant supply
- cooled air
- cooled brine
- cooled hopper
- cooled product
- cooled state
- cooled surface
- cooler
- cooler box
- cooler surface
- cooling
- cooling bath
- cooling brine
- cooling capacity
- cooling circuit
- cooling duct
- cooling fluid
- cooling jacket
- cooling liquid
- cooling mixture
- continuous dryer
- continuous floor
- continuous footing
- continuous form
- continuous forms
- continuous froster
- continuous girder
- continuous grading
- continuous laser
- continuous line
- continuous mode
- continuous processing
- continuous service
- continuous slab
- continuous spectrum
- continuous strand
- continuous truss
- continuous welding
- contour analysis
- contour diagram
- contour follower
- contour line
- contour machinery
- contouring
- contra-valid
- contract
- contract documents