Ключевые слова: architect, architecture, beam, build, builder, business, caucasian, concrete, construction, construction site, construction worker, contractor, craftsman, development, engineering, equipment, foreman, frame, helmet, home, house, housing, industrial, industry, labor, laborer, male, man, manual, men at work, new, occupation, people, person, profession, project, repair, roofer, rooftop, safety, site, steel, structure, tool, top, under construction, work, worker, yellow,