Ключевые слова: arch, architecture, bridge, build, building, column, concrete, construct, construction, crane, develop, development, engineering, equipment, excavate, ground, heavy, highway, industrial, industry, infrastructure, labor, machine, machinery, metal, operate, overpass, pillar, plant, progress, project, prop, reconstruction, renovation, road, scaffolding, site, sky, steel, structure, technology, transport, transportation, vault, vehicle, way, work, workplace, yellow,