Ключевые слова: adult, analyzing, beaker, biochemist, biochemistry, biology, biotechnology, caucasian, chemical, chemist, chemistry, clinic, coat, doctor, equipment, examining, experiment, health, health care, healthcare, hold, human, lab, laboratory, liquid, looking, male, man, medical, medicine, people, person, practitioner, professional, research, researcher, safety, sample, science, scientific, scientist, specialist, sterile, study, studying, technician, technology, test, work, working,