Ключевые слова: alert, alertness, awareness, awareness campaigns, biohazard, caution, chemistry, contamination, danger, dark background, design, emergency, emergency response, energy, environment, environmental health, exposure, graphic, guidelines, hazard, health, health regulations, illustration, industrial, manual, nuclear, physics, precaution, preparedness, protection, public safety, radiation, radiological, recognition, risk, safety, safety protocols, science, sign, signage, stylized, symbol, technology, texture, toxic, vigilance, warning, yellow,