Ключевые слова: architect, architecture, background, builder, building, business, city, civil, concrete, construction, contractor, crane, development, engineer, engineering, equipment, estate, foreman, group, happy, hardhat, helmet, high, house, industrial, industry, job, labor, male, manual, meeting, men, occupation, outdoors, people, person, professional, project, real, safety, scaffolding, site, steel, team, teamwork, work, worker, workers, working, young,