Ключевые слова: accident, aerosol, air, apocalypse, biohazard, biological, breathing, chemical, clothing, contamination, coronavirus, covid19, danger, dangerous, ecology, environment, epidemic, filter, front, glasses, goggles, hazard, hazardous, industry, infectious, man, mask, medicine, nuclear, pandemic, person, pollution, precaution, prevention, protect, protection, protective, protective suite, radiation, respirator, safe, safety, suit, toxic, uniform, ventilator, virus, wear, worker, yellow,