How It's Made
American Footballs/Electric Guitar Amplifiers/Marbles/Aeroplane Propellers
Season 7 Episode 1 of 13
The processes involved in making marbles, aeroplane propellers, electric guitar amplifiers and American footballs
How It's Made airs on Discovery Channel HD at 4:30 PM, Friday 27 February. (Subtitles.)
Learn more about How It's Made and other education/science/factual topics on our factual page
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Education ➝ Science ➝ Factual Topics
Technology