Plot: This episode demonstrates the production processes for airstream trailers, horseradish, industrial steam boilers, deodorant .

How It's Made - Season 12 - Airstream Trailers, Horseradish, Industrial Steam Boilers, Deodorant (Episode 10)
Episode Aired On:
Wednesday, March 11 2009
16 years ago
Wednesday, March 11 2009
16 years ago