Ключевые слова: architecture, background, block, blue, bricks, business, cement, concrete, construct, construction, crane, create, derrick, development, engineering, foundation, hard, high, highrise, homes, house, industrial, industry, infrastructure, iron, labor, lift, machine, material, metal, metallic, new, plans, progress, properties, renew, safety, scaffold, site, sky, steel, structure, supplies, unfinished, urban, walls, windows, work,