fire - foot
- fire
- fire control
- fire escape
- fire fighting
- fire hazard
- fire protecting agent
- fire resistance
- fire risk
- fire-off dip
- fire-proof
- fire-proof cement
- fire-proofed
- fire-resisting
- fire-retardant
- fireproof
- firing
- firing point
- firm
- firm planned order
- firm planned order: FPO
- firmer chisel
- firmware
- first beam cross-over point
- first customer ship: FCS
- first generation computer
- first generation language
- first generation software
- first harmonic
- first in, first out
- first in, first out: FIFO
- first law of thermodynamics
- first order smoothing
- first principal point
- first- come-first-served rule
- first-aid kit
- first-aid station
- first-out
- first-pass yield
- fiscal
- fish-spine bead
