Ключевые слова: air, blue, caucasian, coat, disease, emergency, er, filter, foot, health, healthcare, healthy, help, helpful, helping, hospital, ill, illness, leg, macine, man, operating, operation, patient, perfusion, physician, physicians, portrait, professional, room, service, services, sick, sickness, specialist, surgeon, surgery, theater, unity, ventilator, white, whitecoat, worker, working, worksuit, workwear, young,