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Crude oil is heated at about 350 degrees
Oil does expand when heated and contracts when cooled.
The main one is oil shale.
margarine
increases
Higher, I suppose.
Thermal decomposition
No, use heated mineral oil or linseed oil, or a polyurethane sealer.
There are several designs but they all do the same thing, cool heated oil be it engine oil, transmission oil, hydraulic oil, etc.
when motor oil is heated it viscotity rises and becomes thicker
In olive oil production, cold pressing refers to the method in which the oil is extracted. Extra virgin olive oil is made from the first cold pressing( the olives are not heated), virgin oil is from the second pressing, and subsequent pressings are heated and possibly treated to produce lesser grades of oil.
Oil, gas and open fires