That dog CLEARLY has no idea what he's doing. The neck of that Florence flask should also be clamped (the ringstand is insufficient). Also, he hasn't even primed the tubing for what appears to be a siphon. Furthermore, you should never have a drinking mug (or any other type of food or drink) in the lab, let alone be pouring something into it from lab glassware. I'll grant that he is wearing appropriate eye protection, but he should also be working inside a chemical fume hood instead of on an open bench.
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