Ключевые слова: area, cargo, casting, center, central, chemical, cityscape, conceptual, concrete, conveyor, development, elements, energy, equipment, framework, graphic, heavy, iron, landscape, machinery, manifold, manufacturing, material, megalopolis, metal, metallurgy, ore, pipeline, plow, power, processing, region, reserve, retro, sign, steel, strop, structure, symbol, technology, tool, transportation, tree, truss, urban, view, vintage, warehouse, work,