![](https://assets.tv24.co/channels/quest-1-l.webp)
Aired Monday February 12,
2:00pm - 2:30pmon Quest +1
How Do They Do It?
Series 12 Episode 8How do they make the world's finest harp strings, how do they build roof windows that can keep out a hurricane and how do they make Belgian waffles?
- Category
- Documentary / Educational / Science
- Original air date
- 2015-03-11
Cast and crew