Ключевые слова: accident, alarm, art, background, blue, bright, burn, chemical, color, colorful, contour, danger, emergency, equipment, extinguish, extinguisher, extinguishing, fire, firefighter, firefighting, flame, flammable, foam, glowing, gradient, help, hose, icon, illustration, isolated, label, light, line, linear, lineart, neon, object, outline, pictogram, prevention, protect, protection, red, rescue, safety, security, sign, spray, symbol,