Season 19 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #11 of 13 in Season 19•−0.2 vs season avg
Pressurized ink cartridges and precision ballpoint tips are assembled into pens designed to write in extreme conditions. Glass or acrylic panels, lighting and filtration equipment are combined into reef aquariums; sheet metal is formed, welded and upholstered to produce caskets; and layers of composite fibre

Lynne Adams
Narrator (voice)
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"Space Pens, Reef Aquariums, Metal Caskets, Composite Bike Wheels" is episode 13 of How It's Made season 19. It scored 7.0/10 from 15 votes, ranking #11 of 13 episodes this season (season average 7.2). It aired on July 12, 2012.