Ключевые слова: architecture, assembly, background, block, build, building, business, canvas, clamp, concrete, condominium, construct, construction, development, dust, engineering, equipment, frame, framework, grip, hold, house, industrial, industry, iron, material, metal, outdoor, pipe, project, residential, restoration, restoring, safety, scaffold, scaffolding, site, sky, steel, structure, tower, urban, wall, work, worker,