Ключевые слова: adult, analysis, analyzing, assistant, background, beautiful, biochemistry, biology, biotechnology, caucasian, chemical, chemist, chemistry, clinic, clinical, coat, concentration, doctor, equipment, experiment, female, girl, health, holding, hospital, lab, laboratory, liquid, looking, medical, medicine, occupation, person, pharmacy, professional, research, researcher, safety, science, scientific, scientist, solution, student, technology, test, tube, white, woman, work, young,