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How Do They Do It?: Season 9

9x09 Suspension Bridge; Crossbows; Tracking Clothes
TV-G

  • 2012-09-07T02:00:00Z on Discovery
  • 22m
  • United States
  • English
  • Documentary
Making a cable strong enough to hold a bridge; modern hunters use medieval weapons; how stores determine the right sizes and colors to have in stock.
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