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.
The first jet plane was build 1910 by Henry Coanda, a Romanian engineer. 1910, at the International Aeronautic Salon in Paris 1910 he was flying his Coanda-1910, a thermojet powered aircraft.