Ключевые слова: abstract, alloy, aluminum, backgrounds, built, cast, castings, color, colored, compartment, construction, equipment, facility, factory, foundry, gray, group, heavy, industrial, industry, iron, manufacturing, material, metal, metallic, mill, molded, molding, objects, part, pattern, rod, room, shape, shiny, silver, stack, steel, storage, structure, technology, tool, transportation, tube, vehicle, warehouse, white, work,