Ключевые слова: analysis, analyzing, attractive, beaker, beautiful, biology, biotechnology, caucasian, chemical, chemist, chemistry, closeup, doctor, equipment, experiment, female, girl, glass, glasses, gloves, holding, lab, laboratory, liquid, looking, medical, medicine, pour, professional, protective, research, researcher, science, scientific, scientist, student, study, technology, test, tube, white, woman, work, worker, young,