How It's Made

4:00 PM to 4:30 PM

Thursday 3 September

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Bowling Balls/Barber Poles/Radar Guns

Season 13 Episode 4 of 13

The manufacture of bowling balls, barber poles, felt and radar guns

How It's Made airs on Discovery Channel HD at 4:00 PM, Thursday 3 September. (Subtitles.)

Learn more about How It's Made and other education/science/factual topics on our factual page

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