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.
Who developed the airplane? The first controlled flight in what we know now as an airplane was on December 14, 1903 flown by Orville Wright who was airborne for 12 seconds.