Ключевые слова: architecture, background, builder, building, business, busy, caucasian, concrete, construction, contractor, design, development, engineer, engineering, equipment, formwork, hard, helmet, home, house, industrial, industry, job, male, man, material, metal, people, project, reinforcement, safety, site, steel, structure, team, teamwork, welding, white, work, worker, workers, working, young,