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.
Class A â Ordinary combustible fires. These are probably the most common type of fire. They occur when materials become heated to their ignition temperature and will continue to burn as long as there is heat, oxygen and fuel to burn.