Ключевые слова: adult, adults only, analyzing, beaker, biochemistry, biology, biotechnology, chemical, chemist, chemistry, color image, discovery, doctor, equipment, expertise, healthcare and medicine, horizontal, hospital, indoors, industry, laboratory, liquid, medical research, medicine, men, microbiology, microscope, occupation, one person, people, pharmacy, pipette, professional, protection, protective glove, protective workwear, research, safety, science, scientific experiment, scientist, teamwork, technician, technology, test, test tube, tube, virus, working,