Major manufacturing sectors include food processing, heavy machinery, and agricultural chemicals. Germany excels in the production of automobiles, machinery, electrical equipment and chemicals. Electric motors power manufacturing machinery and propel subways and railway trains. Servomotors are used in applications such as robotics, CNC machinery or automated manufacturing. Enterprises prefer to purchase technological solutions that are already embodied in imported machinery and equipment. It produced industrial machinery and merchant ships. Complex assets such as aircraft, ships, industrial machinery etc. Indirect consumption includes the manufacture of fertilizers, pesticides, and farm machinery. Bonus vouchers facilitated access to foreign exchange for imports of industrial machinery and raw materials. Mechanical transmission was in many cases replaced by hydraulic machinery. There are also factories for making cotton machinery and steam-engines. More closures followed in other industries, including shipbuilding and heavy machinery. The body contains all the milling machinery. Husted said his inspiration was the band brake used on industrial machinery. Accumulators are a common part of hydraulic machinery.