Ключевые слова: action, altitude, architecture, building, business, construction, damage, design, energy, equipment, factory, foundry, frame, heavy, height, high, industrial, industry, iron, man, manufacturing, metallurgical, metallurgy, modern, moving, outdoors, people, persons, production, silhouette, skyscraper, staircase, steel, steps, technology, up, workers, working, workpeople, works,