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Season Premiere

How It's Made: Season 5

5x01 Paving Asphalt; Marshmallow Cookies; Loudspeakers; Electronic Door Locks
TV-G

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  • 2005-09-08T01:00:00Z on Science
  • 30m
  • United States
  • English
  • Documentary
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This episode demonstrates the production processes for paving asphalt, marshmallow cookies, loudspeakers and electronic door locks, and shows how each is made.
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