Ключевые слова: adult, analysis, analyzing, beaker, biology, care, caucasian, chemical, chemist, chemistry, chromatograph, chromatography, coat, doctor, equipment, experiment, face, female, flask, gas, head, health, hospital, isolated, lab, laboratory, liquid, male, man, medical, medicine, microscope, one, people, person, profession, professional, research, science, scientific, scientist, smile, study, technician, technology, test, white, work, worker,