Ключевые слова: adult, anesthesiologist, assistance, background, blood, body, care, catheter, clinic, concepts, doctor, emergency, equipment, expertise, glove, hand, health, healthcare, hospital, hygiene, illness, indoors, lighting, male, medical, medicine, nurse, nursing, occupation, operating, patient, people, practitioner, procedure, professional, room, science, services, skin, surgeon, surgery, surgical, syringe, technology, tool, tube, urgency, worker,