Ключевые слова: alert, atomic, attention, beware, biohazard, button, caution, danger, dangerous, design, failure, fall, harmful, hazard, hazardous, icon, illustration, industry, isolated, isolation, isotope, label, mark, material, notice, nuclear, nuke, orange, poisonous, pollution, problems, protection, radiation, radioactive, radioactivity, radioisotope, reactor, red, restricted, risk, safety, sign, substance, symbol, technology, triangle, uranium, warning, waste,