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To say simply that the ____________ Brothers invented the airplane doesn't begin to describe their many ____________ Nor is it especially ____________ The first fixed-wing aircraft -- a kite ____________ on a ____________ -- was conceived ____________ flown almost a century before Orville and Wilbur made their ____________ flights. The ____________ were first to design and build a flying craft that could be controlled ____________ in the air. Every successful aircraft ever ____________ since, beginning with the 1902 Wright glider, has had controls to roll the wings right or ____________ ____________ the nose up or down, and yaw the nose from side to side. These ____________ controls -- roll, pitch, and yaw -- let a pilot navigate an airplane in all three dimensions, making it possible to fly from place ____________ place. The entire ____________ business, the largest industry in the world, depends on this simple but brilliant idea. So ____________ spacecraft, submarines, even robots.
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