
1) Firefighting equipment
Found on
https://www.crosswordclues.com/clue/fog-nozzle

A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets. By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen. Specially de...
Found on
http://en.wikipedia.org/wiki/Fog_nozzle

A nozzle that discharges water in small droplets. Often, the nozzles are adjustable, permitting the pattern to range from a straight stream to a narrow fog to a wide fog stream. Can also be designed to automatically adjust pressure depending upon selected pattern.
Found on
http://en.wikipedia.org/wiki/Glossary_of_firefighting_equipment

A nozzle that discharges water in small droplets. Often, the nozzles are adjustable, permitting the pattern to range from a straight stream to a narrow fog to a wide fog stream. Can also be designed to automatically adjust pressure depending upon selected pattern.
Found on
http://www.translationdirectory.com/glossaries/glossary102.htm
No exact match found.