How Do They Do It?
Road Rollers/Mobile Phones
Season 12 Episode 6 of 20
Investigating how heavy duty road rollers are built, and revealing how mobile phones are manufactured with the care and precision of a Swiss watch
How Do They Do It? airs on Discovery Science at 6:30 PM, Tuesday 3 December. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General