crystals at wbgaas

[Uli Thumser]

Wbgaas users:

  This morning, I found lots of white crystals around two beakers inside 
of the left sink, around the HF drain, and the hot plates.
If you know who left this mess, please let me know, I am more than happy 
to retrain the user and explain how to work safe and clean at this bench.

Thank you,
Uli


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