Ключевые слова: beaker, biochemistry, biology, biotechnology, caucasian, chemical, chemist, chemistry, coat, development, device, doctor, education, equipment, experiment, glove, health, human, lab, laboratorian, laboratory, liquid, look, male, man, medical, medicine, microbiology, microscope, observation, optical, person, professional, protective, research, researcher, sampling, science, scientific, scientist, student, team, technology, test, white, working, young,