How Do They Do It?
Season 16 Episode 9 of 20
Building a tractor every three minutes to power Indian agriculture, and casting the bronze bells that help Swiss farmers keep track of their cows
How Do They Do It? airs on Discovery Channel HD at 7:00 AM, Wednesday 18 September. (Subtitles.)
Learn more about How Do They Do It? and other education/science/factual topics on our factual page
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