Other types of base oil
The use of natural oils has been important since ancient times, with the advent of crude oil and the direct supply of cheap vegetable oils to the market, so natural lubricants have been removed from the market over time and the harvest has been made available to the public. Over time, at the end of the war, due to the lack of crude oil, the lubricants left behind were again noticed by the people and returned to the field, which left a good position for itself, in which we can refer to the war period. Natural oils were used as fuel during the war, so the production of greases and lubricants increased, and the Arab oil shock of 1973 reaffirmed the need to focus on non-oil resources. Synthetic base oils Synthetic or conventional oils are oils that are lubricated by connecting one or more identified low-molecular-weight organic components in a controlled…