Ключевые слова: activity, angle, architecture, blue, build, business, cable, carry, city, clear, construction, crane, design, development, engineering, equipment, exterior, frame, growth, heavy, high, housing, industry, lifting, machine laver, material, mechanism, metal, modern, new, nobody, occupation, parallel, progress, project, property, red, scaffolding, sky, skyscraper, space, steel, structure, synchronously, tall, technology, tower, two, urban, weight, work, yellow,