One veteran conservative education reformer describes himself as âfurious and frustratedâ by the increasing dominance of social justice warriors in education reform and the marginalization of dissenting views. âIt's an existential threat,â he notes.
Class A or Ordinary Combustibles ... Class B or Flammable and Combustible Liquids ... Class K for fires that involves combustible or fats cooking oils in well ... â PowerPoint PPT presentation.
Subsets of class 4 are: 1  4.1 Flammable Solids are readily combustible, or may contribute to a fire through friction. These include: 2  Flammable solids. 3  Self reactive substances.  Solid desensitized explosives.