Seasons
Networks:
Watch Providers:
JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information.
S5:E1 Paving Asphalt, Marshmallow Cookies, Loudspeakers, Electronic Door Locks
First Aired: September 07, 2005
Runtime: 21 min
This episode demonstrates the production processes for paving asphalt, marshmallow cookies, loudspeakers and electronic door locks, and shows how each is made.
