Season 13 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #2 of 13 in Season 13•+0.2 vs season avg
Locking lids and pressure-control valves are fitted to pressure cookers, miniature mechanisms animate mechanical singing birds, scientific instruments are installed in oceanographic buoys, and stainless-steel tanks are fabricated and mounted on transport trailers.

Lynne Adams
Narrator (voice)
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"Pressure Cookers, Mechanical Singing Birds, Oceanographic Buoys, Tank Trailers" is episode 7 of How It's Made season 13. It scored 7.7/10 from 22 votes, ranking #2 of 13 episodes this season (season average 7.5). It aired on June 5, 2009.