17 Season
287 Episode
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.
- Year: 2021
- Country: Canada, Singapore, United Kingdom, United States of America
- Genre: Documentary
- Studio: Discovery
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