How It's Made

4:00 PM to 4:30 PM
Friday 31 July
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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 at 4:00 PM, Friday 31 July. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Technology