Season 2 Episodes13
Cast1

Lynn Herzeg
Narrator (voice)
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Ranked #5 of 13 in Season 2•matches the season avg
The manufacturing processes behind prescription eyeglass lenses, finished granite products, mass-produced potato chips and microscopic computer processors are examined.

Lynn Herzeg
Narrator (voice)
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"Eyeglass Lenses, Granite, Potato Chips, Microprocessors" is episode 1 of How It's Made season 2. It scored 7.8/10 from 47 votes, ranking #5 of 13 episodes this season (season average 7.8). It aired on September 7, 2002.