Ключевые слова: adult, arm, beard, book, business, businessman, caucasian, coat, computer, confidence, engineer, equipment, expertise, eyeglasses, holding, indoors, industry, lab, laboratory, lifestyles, looking, looking at camera, machinery, males, man, men, occupation, one, part of, people, person, place, portrait, professional, prostetic, prostetic arm, real, research, robotic, science, scientist, standing, success, technology, tool, work, working, young,