Aired Monday May 20, 12:30pm - 1:00pmon Quest

How Do They Do It?

Series 12 Episode 9

How do they build heavy duty road rollers? How do they bake bread in a can? And, how do they make a mobile phone with the care and precision of a Swiss watch?

Documentary / Educational / Science
Original air date
Cast and crew
  • Chris BroylesNarrator