Ключевые слова: accurate, adult, analysis, analyzing, background, beaker, biochemistry, biology, care, caucasian, chemical, chemist, chemistry, coat, doctor, equipment, experiment, face, female, flask, happy, head, health, healthcare, hospital, human, lab, laboratory, liquid, look, looking, male, man, medical, medicine, modern, one, people, person, portrait, professional, research, science, scientific, scientist, smile, technology, test, white, work,