- framing station, tacking station
- fender, wing (UK), mudguard
- force limiting system (seatbelt)
- fuel supply, fuel inlet
- fan motor, ventilated motor
- fog light, fog lamp
- face shield, mask
- flaw, material defect
- female die; (Presse) matrix
- flow line (production line)
- flat rate, fixed rate
- frame side member, frame side rail
- frame cross member; frame cross side
- friction lining, friction layer
- friction screw press, friction screw driven press
- feedback, response
- feedback, (tech.) feedback signal
- fast-back, hatchback
- fork lift truck , high-lift truck
- front wall, firewall
- fault message, error message
- fault, failure
- fascia, bumper (USA), fender (GB)
- facia, fender trim
- fill up, fuel
- fuel tank capacity, tank capacity
- filler inlet compartment lid, filler flap
- front wing (GB), front fender (USA)
- formability, plasticity
- forming stiffness, dimensional stability
- flow, effective, equivalent or representative stress
- feed, convey, supply
- further education, continuing education
- function; efficiency
- firing point, ignition point
- flash back (carburetor)
- fusion, merger
- forward-acting controller, forward-acting regulator
- follow-up control, tracking control
- fixed command control, constant-value control; set-value control
- four-way system, four-way box
- fidelity, reproduction quality
- flat loudspeaker, pancake loudspeaker
- filament current, heater current
- fanning strip, fanning comb
- face plan, layout
- flashing indication, flickering indication; pulsing indication
- front handle, front-panel handle
- frame grounding, chassis grounding
- flow soldering, wave soldering