Ключевые слова: alarm, alert, banner, beware, bones, caution, chemical, chemistry, danger, dangerous, deadly, death, electroshock, energy, hazard, icon, industry, lab, medical, non, not, noxious, nuclear, poison, poisonous, power, radiation, radioactive, radiotherapy, risk, safety, security, shock, sign, skeleton, skull, sticker, stop, symbol, symbolic, toxic, triangle, warning, zone,