What are the four classes of fires and the extinguishing agent used in fire extinguishers specifically for each class? (page 3-35)
Class A: Fire involving ordinary combustible materials such as wood, paper, and cloth. Water-based and multipurpose dry chemcical extinguishers are used.
Class B: Fires involving flammable liquids, oils, greases, and oil-based paints. Certain foams, carbon dioxide, and dry chemicals are used to extinguish these fires.
Class C: Fires involving energized electrical equipment. Carbon dioxide and dry chemicals are used as exstinguishers.
Class D: Fires involving combustible materials, such as magnesium, titanium, zirconium, sodium, lithium, and potassium. Agents specifically listed and approved for each specific metal must be used.