How It's Made

3:00 PM to 3:30 PM
Tuesday 17 February
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Vegetable Oil/Hand Tools/Cotton Swabs

Season 3 Episode 3 of 13

The manufacturing processes behind vegetable oil, hand tools and cotton swabs, and how they have evolved over the years

How It's Made airs on Discovery Channel at 3:00 PM, Tuesday 17 February. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Technology