fire-fighting material [3]
portable fire extinguisher 
Portable device used to extinguish a fire using liquid, powder or gas released under pressure.
pin 
Security device that is pulled to operate the trigger.
tank 
Metal container that is filled with pressurized liquid, powder or gas; it is replenished periodically.
hose 
Flexible conduit that is maneuvered to aim the nozzle at the fire.
trigger 
Device that is pressed to spray the fire area.