Ключевые слова: background, building, city, cutout, danger, day, drop, emergency, equipment, extinguish, faucet, fire, firefighter, flame, hose, hydrant, life, metal, nobody, object, outdoor, outlet, pipe, pipeline, plug, pressure, prevention, protect, protection, red, rescue, safe, safety, security, sidewalk, steel, street, supply, tap, urban, utility, valve, water,