Ключевые слова: alarm, alert, atom, atomic, attention, background, banner, black, caution, chemical, construction, danger, dangerous, death, design, emblem, energy, flammable, hazard, hazardous, high, icon, illustration, industry, isolated, label, mark, material, nuclear, pollution, power, protection, radiation, radioactive, radioactivity, ray, risk, safety, security, set, sign, stop, symbol, toxic, triangle, uranium, warning, white, yellow,