Season 23 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #9 of 13 in Season 23•−0.2 vs season avg
Electronic sensing components are installed, programmed and calibrated to create motion detectors. Airport belt loaders are assembled around adjustable conveyor systems; pheasants are bred and raised under controlled conditions; and metal shells, viewing ports, air connections and communication equipment are combined into professional diving helmets.

Lynne Adams
Narrator (voice)
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"Motion Sensors, Belt Loaders, Pheasant Breeding, Diving Helmets" is episode 1 of How It's Made season 23. It scored 7.0/10 from 21 votes, ranking #9 of 13 episodes this season (season average 7.2). It aired on April 3, 2014.