Ключевые слова: alarm, alert, atom, atomic, attention, badge, black, caution, chemistry, contaminate, contaminated, danger, dangerous, deterrent, disaster, energy, fusion, hazard, icon, illustration, irradiation, isolated, nuclear, nuke, physics, plutonium, pollution, power, protection, radiation, radioactive, radioactivity, ray, reactor, research, risk, safety, science, sign, symbol, threat, toxic, uranium, warn, warning, waste, white, xray, yellow,