Ключевые слова: abrasion, alarm, alert, background, beware, black, button, caution, color, construction, danger, dangerous, design, diamond, explosive, fire, flame, flammable, forbidden, gas, hazard, icon, illustration, industrial, industry, label, material, metal, oil, orange, pattern, perilous, post, protection, red, risk, road, safe, safety, security, sign, signal, sticker, substance, symbol, war, warn, white, yellow,