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.
Things Took Off with Planes. Then, humans began to look at planes to make their dreams of flight come true. George Cayley is often considered to be the father of the airplane, and his work is considered the start of modern aeronautics. He is particular famous for following the scientific method in his observations and experiments in flight, and he defined the four forces that affect a flying vehicle: wait, lift, thrust, and drag.