Answer:
Classes of fire
Class A - fires involving solid materials such as wood, paper or textiles.
Class B - fires involving flammable liquids such as petrol, diesel or oils.
Class C - fires involving gases.
Class D - fires involving metals.
Class E - fires involving live electrical apparatus. (Technically ‘Class E’ doesn’t exists however this is used for convenience here)
Class F - fires involving cooking oils such as in deep-fat fryers.