Ключевые слова: architecture, builder, building, buildings, business, city, commercial, concrete, concretepump, construction, crane, development, duty, engineer, engineering, engineers, equipment, estate, foundation, foundations, ground, helmet, immigrants, industrial, industry, infrastructure, installing, job, laborer, labour, machinery, people, progress, project, protecting, protection, reinforcement, rise, scaffolding, site, steel, structure, structures, tall, team, urban, work, worker, working, workwear,