Season 2 Episodes13
Cast1

Lynn Herzeg
Narrator (voice)
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Ranked #12 of 13 in Season 2•−0.1 vs season avg
Steel components are ground and polished into precision ball bearings, conductive metal is drawn and insulated to produce electrical wire, wax models are used to cast complex metal objects, and a compilation examines automated manufacturing machinery.

Lynn Herzeg
Narrator (voice)
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"Ball Bearings, Electrical Wires, Lost Wax Process Casting, Automated Machines" is episode 13 of How It's Made season 2. It scored 7.7/10 from 35 votes, ranking #12 of 13 episodes this season (season average 7.8). It aired on December 7, 2002.