Ключевые слова: adult, air, allergy, apocalypse, atmosphere, bad, breathe, chemical, chimneys, closeup, contamination, could, crisis, defend, dirty, disaster, ecology, environment, equipment, factory, gas, global, gray, harm, hazard, hood, industrial, industry, male, man, mask, one, outdoor, people, person, pipe, plants, pollution, portrait, production, protection, protective, respirator, safety, smoke, survival, technology, threat, toxic, yellow,