Ключевые слова: activity, architectural, architecture, beam, cable, carrying, cement, concrete, construct, construction, crane, development, elevating, elevator, engineering, equipment, factory, floor, form, frame, hawser, heavy, holding, hole, hook, house, housing, industrial, industry, jobs, lift, lifting, machinery, metal, outdoor, panel, plate, production, reinforced concrete, reinforcement, safety, sand, site, steel, stone, support, tower crane, uniforms, work, workers,