The oils, after being sorted in the mill, contain 0.5% of the water and impurities. If the oils are high in acidity, the impurities are deposited very quickly and the oils look transparent. The good oils contain especially moisture and impurities for a long time and are usually deposited slowly and therefore should give special importance to storing the good oils . The most important measures to be taken is to separate the impurities and water from the bottom of the reservoirs periodically, and since the properties of oil absorption of odors were necessary to take precautions to keep away from various odors, including the smoke of various types of fuel, and given the importance of the subject will review the factors affecting the oil during Storage.