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      Extended NFPA Hazard Diamond

      comics.movim.eu / XKCD · Monday, 27 June, 2022 - 04:00

    With most labs, the hushed horror stories are about something like dimethylmercury or prions, but occasionally you'll get a weird lab where it's about the soda machine or the drop ceiling.
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      This post is public

      xkcd.com /2638/