fixe - foam
- fixed absolute humidity
- fixed ammonia
- fixed ash
- fixed beam ceilometer
- fixed bed reactor
- fixed behavior
- fixed cloud altitude
- fixed cloud top temperature
- fixed combustion source
- fixed dune
- fixed fire fighting installation
- fixed foam extinguishing installation
- fixed gas extinguishing installation
- fixed gases
- fixed ire fighting installation
- fixed mechanical foam extinguishing installation
- fixed nitrogen
- fixed nitrogen extinguishing installation
- fixed ocean weather station
- fixed property
- fixed protection standard
- fixed relative humidity
- fixed residue
- fixed steam extinguishing installation
- fixed surface radioactive contamination
- fixed water
- fixed water extinguishing installation
- fixed-bar rack
- fixed-bed catalyst
- fixed-bed model
- fixing of slopes
- fjord
- fjord lake
- flag growth form
- flag-shaped tree
- flake detergent
- flakes
- flaking
- flaky particle
- flame afterburner