S16 E1915 August 201922 min★ 10.0 TMDB
Hearing Aids, Elizabeth Line Trains, Shadow Puppets
Season 16
Episode 19 of 20
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Episode overview
Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?
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S16 E19 · Hearing Aids, Elizabeth Line Trains, Shadow PuppetsHow Do They Do It?
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