Castor oil is used as a lubricant in jet planes.
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Jumbo jets use 4,000 gallons of fuel to take off.
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Car airbags kill 1 person for every 22 lives that they save.
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
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