![](https://assets.tv24.co/channels/quest-l.webp)
Aired Thursday December 7,
5:30am - 6:00amon Quest
How It's Made
Series 11 Episode 10: Giant Valves/Barographs/NappiesAs more everyday items are put under the microscope find out how giant valves, sardines, barographs and disposable nappies are all made.
- Category
- Documentary / Science
- Original air date
- 2008-11-07
Cast and crew