flat - freq
- flat cable
- flat compounding
- flat conductor
- flat contact
- flat control
- flat frequency control
- flat pliers
- flat tie-line control
- flat wire
- flat-conductor cable
- flat-rate tariff
- flat-rating
- flat-response motor
- flat-strip conductor
- flat-wire armor
- flat-wire armoring
- flatbed plotter
- flaw detection
- flaw inspection
- fleming's rule
- flexible automated
- flexible busbar
- flexible cable
- flexible frame
- flexible insulation
- flexible machining system
- flexible power cable
- flexible rates
- flexible rotor support
- flexible separator accumulator
- flexible shaft
- flexible steel-armored cable wiring
- flexible trailing cable
- flexible tubing
- flickout
- flip
- flip-flop counter
- float
- float-type flowmeter
- floating
