The ball on top of a flagpole is called a 'truck'.
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Jumbo jets use 4,000 gallons of fuel to take off.
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First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
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Windmills always turn anti-clockwise. Except for the windmills in Ireland!
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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