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Season 5 Episode 1
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Season 5 Episode 1
Paving Asphalt; Marshmallow Cookies; Loudspeakers; Electronic Door Locks
Sep 07, 2005 on Science at 9:00 PM
Summary
This episode demonstrates the production processes for paving asphalt, marshmallow cookies, loudspeakers and electronic door locks, and shows how each is made.
