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How Do They Do It?: Season 15

15x10 Parma Ham, Rowing Machines, London Underground Signs
TV-G

  • 2018-12-01T03:00:00Z on Discovery
  • 22m
  • United States
  • English
  • Documentary
How is Parma ham, the most famous ham in the world, made? Plus, how do they make rowing machines, and how are the iconic London Underground signs made?
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