Obtained from the decomposition of organic substances distilled through many to get the oil out, such as various types of cooking gas oil petrol. Kerosene Diesel oil Oil furnace Asphalt, including chemicals, such as chemical fertilizers.
From the decomposition of organic substances in bulk. Through the refining process to obtain various types of oil, such as gasoline, kerosene, fuel oil, asphalt, LPG and chemicals such as fertilizers.