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 B Extinguishers should be used on fires involving. flammable liquids, such as grease, gasoline, oil, etc. The numerical. rating for this class of fire extinguisher states the approximate. number of square feet of a flammable liquid fire that a non-expert. person can expect to extinguish.