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.
However, often times a dry chemical fire extinguisher can be used on class A, B, and C fires. Fire Extinguishers For Class C Fires. A class C fire requires an agent that can break apart the elements that feed a fire: oxygen, heat, and fuel. Carbon dioxide (CO2) extinguishers smother a fire by eliminating the oxygen. They also suppress the fireâs heat because their discharge is very cold.