How Do They Do It? Halogen Light Bulbs, Car Mufflers, Locks and Keys (Season 5, Episode 12)
TV-G
TV Episode | 22 min | Documentary

How Do They Do It?

Halogen Light Bulbs, Car Mufflers, Locks and Keys (Season 5, Episode 12)

TV-G

TV Episode | 22 min | Documentary

Discover the science behind manufacturing halogen light bulbs, car mufflers, and what it takes to create millions of unique lock and key sets.

Edit Released

Release date

Mar 18, 2008 (United States)

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Cast	+ Add Cast
1 cast member

Name	Known for
Dominic Frisby Self - Narrator (voice) Self - Narrator (voice) See fewer	The Inbetweeners (2011)

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