Ключевые слова: adult, analysis, analyzing, beaker, biology, biomedical, biotechnology, bottle, chemical, chemist, chemistry, clinic, closeup, development, doctor, education, experiment, face, health, industry, lab, laboratory, liquid, look, male, man, medical, medicine, people, person, portrait, professional, protection, research, researcher, science, scientific, scientist, student, study, technician, test, tube, vaccine, white, work, worker,