Once upon a time, there was a small plane that wanted to fly a great distance. But it had trouble taking off because its wheels were stuck. A clever bird came along and suggested using simple machines to help the plane. The bird used a lever to lift the plane's nose, a pulley to raise its wheels and an axle to turn them. Then, with a screw, the bird tightened the wing bolts and with a wedge, it pushed the plane forward until it finally took off and flew the great distance it had always dreamed of. The end.
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