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How Do They Do It?· Season 16 · Episode 9

Tractors, Cow Bells, Street Lights

S16E09·10.0·July 11, 2019·22m·Discovery

How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows?

Streaming on (US) Amazon Prime VideoHBO Max Amazon ChannelDiscovery+ Amazon ChannelYouTube TVPhiloScience ChannelSee all

#1In Season 16of 19 rated episodes
#1All-timeof 24 rated episodes
+0.0vs season avgSeason 16 averages 10.0
2019First airedJuly 11, 2019

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