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A video of the guy behind Primitive Technology channel on YT making a pump drill: https://www.youtube.com/watch?v=ZEl-Y1NvBVI https://www.youtube.com/watch?v=ZE
by oxplot 9y ago
A video of the guy behind Primitive Technology channel on YT making a pump drill: https://www.youtube.com/watch?v=ZEl-Y1NvBVI https://www.youtube.com/watch?v=ZEl-Y1NvBVI