Title Text: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. Origin:https://xkcd.com/2638/ https://www.explainxkcd.com/wiki/index.php/2638:_Extended_NFPA_Hazard_Diamond NFPA危险品菱形标识的拓展了解 在大多数实验室，无声的恐怖故事是由于二甲基汞或朊病毒，但偶尔你也会看到一个关于关于汽水机或吊顶的… Read more