Season 13 · Episode 12 of 20
Aired Oct 31, 2016
Emergency Bridges, Marker Pens
Mon, Oct 31, 2016
·
23 min
Streaming on Discovery+
0 of 20 watched this season
How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike?
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Airs
Mon, Oct 31, 2016
23 min
Show
How Do They Do It?
287 episodes
Episode
S13 · E12
in How Do They Do It?