Ключевые слова: alarm, alert, area, atom, atomic, attention, black, caution, contaminate, contaminated, damage, danger, dangerous, dark, energy, environment, environmental, factory, fission, fusion, hazard, hazardous, industrial, industry, nuclear, plant, plutonium, pollution, power, protection, radiation, radioactive, radioactivity, ray, render, research, roentgen, safety, science, sign, station, symbol, threat, toxic, uranium, warning, waste, yellow, zone,