Ключевые слова: commodities, concrete, culvert, drainage, equipment, factory, gray, hydraulic hookups, industrial, industry, manufacture, manufacturing, metallic, nobody, object, objects, pile, piled, pipe, pipe conduit, pipe duct, pipeline, pipes, pipework, piping, production, stack, stacked, steel, stock, storage, supply, technology, terminal, tool, tube, tubing, warehouse,