Ключевые слова: biology, character, chemical, chemist, chemistry, clinical, cotton swab, development, discovery, doctor, education, employee, equipment, experiment, expertise, gloves, health, icon, innovation, job, knowledge, lab, laboratory, laboratory equipment, male, man, medical research, medicine, modern, old, person, phd, physicist, physics, professional, professor, research, safety, science, scientist, smart, technology, test, work, worker, working,