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.
A class-Fires that result from ordinary combustibles, such as wood and paper. B class-Fires that result from combustible liquids, such as kerosene, gasoline, oil, and â¦ grease.C class-Fires of an electrical nature.These result from the combustion of circuit breakers, wires, outlets, and other electrical devices and equipment.aking the world better, one answer at a time. Class K fire extinguishers are potassium based, which react chemically with the cooking oil to produce froth. The froth rises from the bottom to the surface, and smothers the fire.