How It's Made
Escalator Handrails/Highlighters/Guitar Strings/Wigs
Season 6 Episode 6 of 13
How escalator handrails, highlighters, guitar strings and wigs are manufactured, examining how the process has evolved over the years
How It's Made airs on Discovery Channel HD at 4:30 PM, Wednesday 25 February. (Subtitles.)
Learn more about How It's Made and other education/science/factual topics on our factual page
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