@Philip_Britton Tweet 16/09/2016 11:26 AM Tweet 16/09/2016 11:26 AM Posted by Bolton School on 16 Sep 2016 Modified by Bolton School on 15 Sep 2023 @Philip_Britton RT @Chem_BoltonSch: 7f exploring hazards in the lab... Now clarified that the biggest hazard is them!