How Do They Do It?

3:30 PM to 4:00 PM

Wednesday 20 May

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Ball Bearings/Cartoonists' Ink/False Eyes

Season 10 Episode 16 of 20

The manufacture of ball bearings, cartoonists' ink and false eyes

How Do They Do It? airs on Discovery Channel HD at 3:30 PM, Wednesday 20 May. (Subtitles.)

Learn more about How Do They Do It? and other education/science/factual topics on our factual page

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