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A comment on Build your own drink mixing robot. Parent comment

Re:Build your own drink mixing robot by arm55 on Tuesday May 27, 2014 @01:43AM (#7803084)
One of the large benefits of peristaltic pumps is that the only thing that the liquid touches is the tube.
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Re:Build your own drink mixing robot by markbao on Tuesday May 27, 2014 @02:02AM (#7803136)
Ah, that's great. For those wondering how: https://en.wikipedia.org/wiki/File:Peristaltic_pump.gif
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