Ключевые слова: adult, analyzing, beaker, biology, biotechnology, chemist, chemistry, closeup, coat, concentration, doctor, equipment, experiment, expertise, factory, glove, hand, healthcare, holding, hospital, human, hygiene, indoors, lab, laboratory, light, liquid, mask, medicine, men, microbiology, occupation, one, person, professional, protective, research, science, scientific, scientist, something, surgeon, surgery, surgical, technology, up, working, workwear,