Season 10 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #12 of 13 in Season 10•−0.2 vs season avg
Metal cylinders are formed, tested and filled to create fire extinguishers, rings of dough are fried and finished into doughnuts, pistons and hydraulic components are assembled into automotive shock absorbers, and wooden rims, stretched membranes and strings are combined into banjos.

Lynne Adams
Narrator (voice)
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"Fire Extinguishers, Doughnuts, Shock Absorbers, Banjos" is episode 8 of How It's Made season 10. It scored 7.5/10 from 23 votes, ranking #12 of 13 episodes this season (season average 7.7). It aired on July 8, 2008.