32 Tymor
416 Pennod
How It's Made - Season 13 Episode 7
Find out how pressure cookers, mechanical singing birds , buoys and stainless-steel tank trailers are made.
- Blwyddyn: 2019
- Gwlad: Canada, United States of America, United Kingdom
- Genre: Documentary
- Stiwdio: Discovery, Science
- Allweddair: factory, manufacturing
- Cyfarwyddwr: Gabriel Hoss
- Cast: