foun - gas-
- foundation shoring
- foundryman's fever
- fractional collection efficiency
- fracture
- FRC
- free crystalline silica
- free space
- French polishers' keratitis
- frequency band
- frequency rate
- frequency weighting network
- fresh-air hose breathing apparatus
- friction dermatitis
- friction noise
- frictional heat
- frictional spark
- frostbite
- full-face mask
- full-facepiece respirator
- full-lift safety valve
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