How It's Made
Pressed Glass/Pickup Truck Caps/Alpaca Yarn/Utility Knives
Season 21 Episode 21 of 26
More everyday items are put under the microscope, examining how pressed glass, pick-up truck cabs, alpaca yarn and utility knives are made
How It's Made airs on Discovery Channel HD at 6:00 AM, Saturday 15 February. (Subtitles.)
Learn more about How It's Made and other education/science/factual topics on our factual page
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