Paving Asphalt, Marshmallow Cookies, Loudspeakers, Electronic Door Locks

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How It's Made
7th September 2005 21 mins Season 5 Episode 1

Aggregate and petroleum binder are heated and mixed to make paving asphalt, cookies and marshmallow filling are assembled into chocolate-covered treats, electrical and mechanical components are combined into loudspeakers, and electronic circuitry is installed in programmable door locks.

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