Ключевые слова: architecture, arm, balance, bar, beam, blue, boom, build, builder, cabin, climb, cloud, cloudy, construct, construction, counterweight, crane, cross, equipment, girder, hook, industrial, industry, jib, ladder, legs, lift, load, machinery, operator, outline, plan, poles, pulleys, rope, safety, scaffolding, screws, silhouette, sky, steel, structure, tall, truss, turn, urban, weight, yellow,