How It's Made

4:00 AM to 4:30 AM

Tuesday 30 September

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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 Quest at 4:00 AM, Tuesday 30 September. (Subtitles.)

Learn more about How It's Made and other education/science/factual topics on our factual page

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