Sources of essential oils

There are lots of lubrication oils. We'll look at the types and then you can look up where they come from. Petroleum leads the pack. Animal oils, vegetable oils and the synthetics are all of high value. There's the field. Also, water or any fluid (including gases) can act as a lubricant. So can finely divided solids like graphite. The field of lubricants is as broad as can be. We use them in places one wouldn't even consider. What makes the world turn is one thing. What keeps it turning are lubricants! Specifics need to be searched for per the individual type of lubricant. A link is provided below to get you started.