firefighters with oxygen tanks spray a powerful stream of foam to extinguish the fire

action agent alarm apparatus bottle breathing brigade cast courageous cylinder dedicated department drill emergency extincion extinguish extinguished extinguisher extinguishing fighter fighters fire firefighter firefighters firefighting fireman firemen flush foam foaming helmets hose hydrant jet lives out oxygen people powerful protection protective put respirator risking safety saving security spray spraying sprinkle stream suppression tank tanks their toughness uniform