Ключевые слова: architect, background, beard, builder, business, casual, caucasian, civil engineering, close up, confidence, construction, construction helmet, construction worker, contractor, development, emotion, employment, engineering, face, factory, future, handsome, happy, hard, hard work, hardhat, helmet, industrial, industrial worker, industry, isolated, job, job search, man, management, mechanical engineering, pensive, person, portrait, professional, protective, question, smile, specialty, strong, surprise, work, worker, working, workman,