Ключевые слова: accuracy, analyzing, caucasian ethnicity, closeup, cnc machine, cnc precision engineering, concentration, control panel, engineering, factory, focus on foreground, head and shoulders, indoors, industrious, industry, innovation, laboratory, male, man, mid adult man, needle, one person, only one mid adult man, polo shirt, precision, product, quality control, research and development, skill, wearing, worker, working,