1
The first ........ powered flying machine was built and flown by Orville and Wilbur Wright
5
He was also brilliant
6
It is very ...... machine
7
Leonardo da Vinci was not only a great
8
The Institute and ..... of the History of Science in Florence
9
He produced what are thought to be the first-ever designed for a human-like
10
The first reported successful parachute ..... was made in 1797.
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