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 jet plane that first took flight on July 27, 1949, was invented by Sir Geoffrey de Havilland. The inventor was an aircraft designer and aviation pioneer.