Ключевые слова: 911, city, color, construction, danger, dangerous, department, detector, drop, emergency, engine, extinguish, extinguisher, faucet, fire, fireman, hose, hydrant, industrial, management, metal, nobody, object, old, outdoor, pavement, pipe, plug, pressure, prevention, protect, protection, public, quebec, red, rescue, road, safe, safety, security, sidewalk, source, steel, street, tap, urban, valve, water, white,