Ключевые слова: 2024 years, 4549 years, auto mechanic, auto repair shop, beijing, car, china, chinese ethnicity, color image, confidence, day, dedication, expertise, front view, grey, indoors, looking at camera, mature men, occupation, photography, portrait, real people, satisfaction, service, skill, smiling, standing, teamwork, togetherness, transportation, two people, uniform, vertical, waist up, working, young men,