Season 30 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #1 of 13 in Season 30•+0.3 vs season avg
Specialized alloys are formed, threaded, heat-treated, coated and rigorously inspected to produce fasteners capable of withstanding aerospace loads. Cactus pears are cleaned, peeled and processed into a smooth purée, while corrosion-resistant vessels are equipped with mixers, valves, sensors and temperature-control systems to become laboratory reactors.

Lynne Adams
Narrator (voice)
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"Aerospace Fasteners, Cactus Pear Puree, Lab Reactors" is episode 12 of How It's Made season 30. It scored 8.2/10 from 12 votes, ranking #1 of 13 episodes this season (season average 7.9). It aired on December 11, 2017.