Ключевые слова: adult, analysis, biology, biotechnology, botany, caucasian, chemical, chemist, chemistry, coat, concentrated, discovery, doctor, engineer, equipment, experiment, face, health, industry, lab, laboratory, liquid, looking, male, man, medical, medicine, microbiology, molecule, observation, one, people, pharmaceutical, pharmacology, pharmacy, portrait, professional, protection, reagent, research, science, scientific, scientist, technology, test, tube, white, work, worker, young,