Machines: How They Work

Outboard Motors, Pneumatic Drills, and Retractable Pens

S1 • E20    May 12, 2016    20m
How does an outboard motor, a pneumatic drill, and a retractable pen really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.

Where to Watch Machines: How They Work - S1 • E20

 

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