Fire extinguishers; fire-fighting vehicles, namely, fire trucks [ and fire boats] ; special fire-fighting vehicles, namely, fire vans, fire cars, [ fire helicopters, and fire planes, ] all having means to project water or foam, namely, pumps and nozzles for extinguishing fires; appliances for preparing, emitting or distributing extinguishants, namely, fire extinguishing apparatus; fire-fighters' hose nozzles; fire alarms; protective clothing in case of fire and disaster; protective helmets ag...