Ключевые слова: abstract, aperture, architecture, barrel, block, bucket, building, cable, cement, city, concrete, construction, container, contemporary, crane, engineering, equipment, exterior, facade, fence, frame, framework, framing, girder, gray, high rise, hook, house, industrial, industry, lifting, material, mortar, opening, outdoors, panel, pouring, residential, safety, scaffolding, site, skip, structure, tower, transportation, unfinished, urban, wall, work, yellow,