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the first submarine went to a depth of 50 feet under the water. it was basicly a wooden barrel with a peddle and a small propeller. operated by a single man.
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it was a competition that was the start of the age of flight
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the first boats used to run on sail, but when the steam boat was invented, it used large paddles rotated by the power of steam.
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the first steam train to ride on rails known as the Rocket, made it up to a speed of 20 km/h
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first air pressure brakes that were created to help stop trains with fail-safe accuracy
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the Wright brothers built the first ever plane that was succesful
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the first supersonic jet took flight and replaced propeller planes in main passenger service.
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the upgraded jet was invented to carry more weight and travel further and faster.
