Identifying the source of your supplied metals is the main purpose of Conflict Minerals Compliance. A Smelter is the first stop for raw materials once they have been mined or recycled by the provider.
The first airplane to take flight was built by the Wright brothers  in Ohio USA and was transported first to North Carolina and flown  for its first time there.
Flight is possible to man...[and] I feel that it will soon cost me an increased amount of money if not my life. - Wilbur Wright Co-Inventor of the first engined airplane. Orville and Wilbur Wright were the inventors of the first airplane.