Ключевые слова: analyzing, attractive, background, beaker, care, chemical, chemist, chemistry, concentration, discovery, doctor, double, experiment, expertise, exposure, flask, gesture, glasses, hand, health, healthcare, holding, hospital, isolated, lab, laboratory, liquid, look, man, medical, medicine, microbiology, one, people, person, personnel, professional, research, sample, science, scientific, scientist, student, test, testtube, transparent, tube, vial, white, young,