Ключевые слова: 50ss, antibacterial, attentively, calm, caucasian, clinic, concentrated, doctor, earnest, endotrakeal tube, equipment, expertise, face mask, health, health care, health service, healthcare, hospital, hygiene, indoors, man, medical, medical equipment, medical office, occupation, operation, oxygen, patient, professional, safety, scrubs, serious, specialist, sterile, surgeon, surgery, surgery room, surgical cap, uniform, workplace,