Ключевые слова: background, city, color, danger, department, design, drop, emergency, equipment, extinguish, fire, firefighter, fireman, flame, heat, hose, hydrant, icon, illustration, isolated, life, metal, object, outdoor, pipe, plug, pressure, prevention, protection, red, rescue, road, safe, safety, security, sidewalk, sign, single, steel, street, symbol, tool, urban, valve, water, white,