@Philip_Britton Tweet 20/10/2016 02:16 PM Tweet 20/10/2016 02:16 PM Posted by Bolton School on 20 Oct 2016 Modified by Bolton School on 15 Sep 2023 @Philip_Britton RT @Chem_BoltonSch: Alistair has his finger on the button. Using the centrifuge to make biodiesel.