How It's Made
Pasta Dyes/Blueberries/Composting Toilets/Surge Arresters
Season 24 Episode 15 of 26
Where materials come from and how manufacturing processes have developed over the years, featuring pasta dyes, composting toilets and surge arresters. Plus, the cultivation of blueberries
How It's Made airs on Discovery Channel HD at 6:30 AM, Saturday 2 November. (Subtitles.)
Learn more about How It's Made and other education/science/factual topics on our factual page
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