Ключевые слова: arm, blood, catheter, close up, closeup, disease, doctor, dropper, drug, emergency, equipment, glove, gloves, hand, health, hospital, human hand, inject, injection, inserting, intravenous, iv plug, medicine, needle, nurse, patient, people, person, placement, procedure, professional, safety, saline, saline solution, science, selective focus, solution, sterile, surgery, syringe, vein,