Ключевые слова: activity, arm, arrow, background, blue, boom, built, cable, city, cloud, color, colour, concept, conceptual, connected, connection, construction, cord, crane, daylight, development, element, frame, hawser, idea, industrial, industry, jib, lift, lifting, line, metal, metallic, object, one, red, rise, rope, rusty, site, sky, skyscraper, strong, structure, sunlight, sunny, tower, up, weight,