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Poster How Do They Do It? - Season 7 Episode 1 : Underground World, Gunmakers 2021

How Do They Do It? - Season 7 Episode 1 : Underground World, Gunmakers 2021

Head underground into America's largest mine to find out how lead is extracted. And how do they manufacture and test made-to-measure shotguns?

  • Released: Jan 01, 1970
  • Runtime: 00:22:14 minutes
  • Genre: Documentary
  • Stars:
  • Network: Discovery

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