How Do They Do It?

Season 10 Episode 14: Marble, Mahjong, Escape Slides

How do they produce marble, how do they make mahjong pieces, and how do they build escape slides? Finds out as more items are put under the microscope.

Genre:

Documentary

Seasons:

17

Episodes:

287

Quality:

HD

Status:

Returning Series

First Air:

2006

IMDb:

7.6