Ключевые слова: 2529 years, 3034 years, above 25, accuracy, authority, beijing, care, china, chinese ethnicity, color image, concentration, confidence, cooperation, coworker, doctor, expertise, healthcare and medicine, healthcare worker, horizontal, hospital, human arm, human body part, human hand, illuminated, indoor, mask, medical equipment, medical procedure, mid adult women, midsection, obscured face, operating gown, operating room, photography, professional occupation, protection, protective workwear, responsibility, scrubs, skill, standing, surgeon, surgery, surgical cap, surgical equipment, surgical glove, surgical light, surgical mask, teamwork, togetherness, two people, unrecognizable person, working, young men,