1749
102974

How It's Made

Paving Asphalt, Marshmallow Cookies, Loudspeakers, Electronic Door Locks

10
21 min

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.