Four-channel stereophonic reproducing system for reproducing dis
Fragment prevention screen for explodable fire suppressant panel
Frangible bulb sprinkler head
Front squeeze trigger handle for use with fire extinguishers
Fuel (flammable liquid) tank fire extinguisher
Fuel containment medium
Fuel truck fire escape mechanism
Fuse design for fire limiters or other safety appliances in vent
Fusible-elements holder bracket device