Ключевые слова: aluminum, art, blue, bucket, can, cone, container, contour, danger, department, design, disaster, element, emergency, equipment, extinguish, fire, firefighter, firefighting, fireman, flame, flat, handle, icon, illustration, iron, isolated, line, linear, lineart, metal, metallic, object, outline, pail, protection, rescue, safety, service, sign, symbol, tool, water, white, work,