Ключевые слова: adult, analyzing, biology, biotechnology, caucasian, chemical, chemist, chemistry, clinical, coat, discovery, doctor, equipment, ethnicity, examining, experiment, face, flask, goggles, hat, healthcare, hospital, lab, laboratory, male, man, mask, medical, medicine, men, mid, people, person, practitioner, research, researcher, researching, safety, sample, science, scientific, scientist, specialist, sterile, studying, technician, technology, test, two, years,