How It's Made
Paper Fans/Walnut Oil/Copper
Season 20 Episode 12 of 13
More everyday items are put under the microscope as the series reveals discover how paper fans, walnut oil and copper are made
How It's Made airs on Discovery Channel HD at 7:00 AM, Saturday 1 February. (Subtitles.)
Learn more about How It's Made and other education/science/factual topics on our factual page
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