Ключевые слова: accident, alarm, ambulance, america, assessment, beacon, brigade, car, carbon, city street, crime, danger, emergency, explosion, fire, fire engine, fire hose, fire hydrant, firefighter, fireman, firemen, flasher, hazard, home, house, malfunction, medical, police, professional, repairing, rescue, response, roadblock, safety, save, service, situation, smoke, squad, street, team, truck, uniform, unit, usa, vehicle, verification, victim, working,