Ключевые слова: aluminum, architectural, arranged, assembly, bronze, building, bulk, columns, construction, copper, corroded, curved, engineering, equipment, heavy, horizontal, industrial, inventory, iron, layered, line, machine, manufacturing, materials, metal, organized, parallel, patterned, piled, pipes, plant, plumbing, production, recycled, spiral, stable, stacked, stacking, stage, steel, storage, tall, towers, tubes, variety, vertical, warehouse, welded,