Ключевые слова: 30s, building, buildingsite, caucasian, clipboard, construction, engineer, engineering, frontview, guy, happy, hard, headphone, individualbusiness, industry, interior, job, kneeling, machine, mature, middleaged, occupation, oneperson, people, person, photogenic, pipe, plumber, portrait, selfemployed, skill, smallbusiness, smiling, standing, timber, vertical, work, worker, working,