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@mikekav66 Definitely you're going to tell your students that the human mouth is much more reliable at mouth pipetting than a robot mouth.
@mikekav66 That's awful, I feel chemists in particular should have a good manuality. While I'm quite young, I did some mouth pipetting a few times. Just to get the gist of it in order to be able to do it if the time comes when that's required. Obviously did that with some quite harmless stuff...
@rastinza not sure if anyone mouth pipettes any more but I've definitely got a few students who would drink battery acid given the chance.