A. Ordinary fire, caused by solid material such as wood, paper, cotton and cloth.
B. Oil fire, caused by Pyrophoric liquids and graisse solids, such as gasoiline, kerosene and petroleum.
C. Gas fire, caused by gas burns and explodes, such as natural gas, methane gas and coal gas.
D. Metal fire, caused by Potassium, sodium, magnesium, lithium and water-depriving material, such as battery.
E. Electrical fire, caused by accidental discharge, short circuit, electric leakage and fire strike.
