Ключевые слова: adult, bacterium, biology, chemical, chemist, chemistry, danger, dark, disguise, engineer, equipment, experiment, eyewear, factory, futuristic, gas, glove, indoors, industry, laboratory, looking, looking at camera, males, man, mask, men, occupation, one, person, pollution, portrait, professional, protection, protective, radiation, research, safety, science, scientific, scientist, security, something, suit, surgical, technology, virus, working, workwear,