Paving Asphalt, Marshmallow Cookies, Loudspeakers, Electronic Door Locks

This episode demonstrates the production processes for paving asphalt, marshmallow cookies, loudspeakers and electronic door locks, and shows how each is made.

My Thoughts

Guest Stars

Special appearances in this episode.

Guest Stars

No guest stars available.

Crew

Episode-specific crew credits.

No crew data available.

Videos

Clips and promos for this episode.

Videos

No videos available.

Stills

Episode still images from TMDB.

Stills

No still images available.