Ключевые слова: beaker, biology, care, caucasian, chemist, chemistry, class, coat, discovery, doctor, education, exam, experiment, factory, girl, healthcare, hygiene, lab, laboratory, liquid, medical, medicine, men, microbiology, occupation, people, production, professional, research, science, scientific, scientist, students, study, team, teamwork, technology, three, tube, tubing, university, woman, women, working,