Ключевые слова: apparatus, automatic, belt, building, business, color, cutting, equipment, factory, frame, glass, heat, hot, house, indoor, industrial, industry, line, liquid, machine, machinery, manufacture, manufacturing, material, metal, modern, occupation, pane, process, processing, produce, production, residential, row, sheet, storage, technology, thickness, tool, toughness, transparent, window, work, worker,