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