The good thing about us viets is that we dont make things. We just take what is there and made it better.
Now better credit had the kid created a prototype so they can use it in the next dark knight movie. Not sure about the dmv regulation in vn like can you legally drive what you make on public streets? I know you can build your own houses but must be on your own land and no need a permit unless the commie wants to give you chit and forces you to pay fake commie taxes on your riches.