Mineral oil or synthetic oil?
|
The one swears by his many years of good experience on mineral oils.
The other one uses synthetic oils. What is really better?
Is there a simple rules or formula?
Is it possible to divide the machines into "Old = Mineral oil" and "New = Synthetic oil"?
What advantages do synthetic oils offer in addition to the "better lubrication"?
The one-hour online training provides answers.