Ключевые слова: adults, attractive, beautiful, caucasian man, caucasian woman, chemical, chemistry, chemists, clipboard, colleagues, concentrated, discover, european, experiment, eyeglasses, knowledge, lab, lab coat, laboratory, men, microscope, pen, pensive, people, pretty, profession, professional occupation, researchers, science, scientific, scientists, side view, sit, stand, table, take notes, test tubes, think, thoughtful, use, white coats, work, workers, write,