Ключевые слова: adult, agriculture, analyzing, asian and indian ethnicities, biochemistry, biologist, biology, biotechnology, caucasian ethnicity, chemist, chemistry, chinese ethnicity, discovery, doctor, education, equipment, expertise, eyeglasses, females, food, genetic research, healthcare and medicine, holding, indoors, lab coat, laboratory, liquid, looking, looking at camera, medical research, medical test, medicine, men, microbiology, microscope, occupation, one person, plant, professional occupation, protective glove, research, science, scientific experiment, scientist, smiling, technician, technology, women, working,