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 domed building was the Long Beach Home for the Spruce Goose. The Goose was invented by Howard Hughes, and built by his General Manager of Hughes Aircraft, Glenn Odekirk,in 1947, to be the largest transport plane in the world.