Ключевые слова: alert, attention, badge, biohazard, black, caution, cesium, chemical, chemistry, danger, dangerous, death, design, energy, graphic, grunge, hazard, hazardous, icon, illustration, industry, information, material, nuclear, pictogram, poison, pollution, protection, radiation, radioactive, ray, reactor, risk, rustic, safety, sign, symbol, technology, template, texture, threat, toxic, wall, warning, waste, xray, yellow, zone,