Ключевые слова: asphalt, austria, background, blue, city, color, danger, department, design, drop, drought, emergency, equipment, extinguish, fire, firefighter, fireman, flame, grass, green, heavy, hose, hydrant, industrial, metal, nobody, object, old, outdoor, pipe, plug, pressure, prevention, protection, public, red, rescue, road, safe, safety, security, sidewalk, steel, street, summer, symbol, urban, valve, vintage, water,