Ключевые слова: alarm, alert, area, atomic, attention, caution, chemical, contaminated, danger, dangerous, disaster, element, energy, explosive, factory, fire, flame, flammable, forbidden, gas, hazard, hazardous, health, high, highly, industrial, industry, label, lpg, notice, nuclear, placard, plate, power, precaution, protect, radiation, radioactive, radioactivity, risk, safe, safety, security, sign, skull, store, symbol, uranium, warning, zone,