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Season Premiere

How Do They Do It?: Season 16

16x01 Peppermint Oil, Tennis Rackets, Desalination
TV-G

  • 2019-06-14T02:00:00Z on Discovery
  • 22m
  • United States
  • English
  • Documentary
Exploring how one family in America make three quarters of the world's peppermint oil. Also, a look at state-of-the-art, performance-enhancing tennis rackets.
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