Ключевые слова: alum, aluminon, aluminum, automation, business, chimney, construction, crane, device, energy, engine, engineering, equipment, factory, floor, gears, gray, harmful, heavy, immersed, industrial, iron, loading, machine, machinery, manufacture, manufacturing, metal, metallurgic, places, plant, power, press, processing, production, roll, samara, shop, smoke, special, steam, steel, technical, technology, tool, wind, work, workshop,