Ключевые слова: activity, architect, architecture, blueprint, builder, built, business, city, construct, construction, crane, design, developer, drawing, engineer, engineering, equipment, factory, foreman, helmet, home, house, housing, incomplete, industrial, industry, inspector, job, maintenance, manager, people, perspective, place, plan, plant, professional, project, safety, site, steel, structure, technician, technology, town, white, work, worker, workman, workplace,