Ключевые слова: adults, blood, care, cautery, clamps, disease, doctors, equipment, forceps, gloves, gown, healthcare, heart, hospital, indoors, mask, medical, medicine, nurses, only, operating, operating room, operation, patients, people, protection, risk, room, scalpel, scrub, serum, surgeons, surgery, surgical, surgical clothes, surgical instruments, table, tools, treatment, vertical,