How Do They Do It?

10:30 PM to 11:00 PM
Wednesday 25 June
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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 History at 10:30 PM, Wednesday 25 June. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General