Ключевые слова: art, background, city, clip, danger, department, design, drop, editable, element, emergency, equipment, extinguisher, fire, flame, glyph, heat, hose, hydrant, icon, illustration, image, isolated, life, logo, metal, pictograph, pipe, plug, pressure, protection, rescue, road, safe, safety, security, sidewalk, sign, silhouette, simple, single, street, symbol, tool, urban, water,