Ключевые слова: background, cement, chain, city, color, connection, cutout, danger, department, drop, emergency, equipment, extinguish, fire, fireman, heavy, hydrant, industrial, isolated, life, metal, nobody, object, old, outdoor, pipe, plug, pressure, prevention, protect, protection, public, red, rescue, safe, safety, security, shiny, sidewalk, single, steel, street, supply, tap, urban, utility, valve, wall, water, white,