Ключевые слова: adult, bacterium, blue, care, caucasian ethnicity, chemist, chemistry, closeup, dental equipment, dental health, dentist, doctor, equipment, expertise, general practitioner, healthcare and medicine, healthcare worker, healthy lifestyle, holding, hospital, human hand, hygiene, isolated, lab coat, laboratory, looking, looking at camera, males, medicine, men, occupation, one person, professional occupation, protective glove, protective mask, protective workwear, research, science, scientist, studio shot, surgeon, surgery, surgical glove, surgical mask, technology, uniform, white background, working, workwear,