oil for Volkswagen Definition of oil
An oil is any neutral, nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (immiscible with water, literally "water fearing") and lipophilic (miscible with other oils, literally "fat loving"). Oils have a high carbon and hydrogen content and are usually flammable and slippery.
The general definition of oil includes classes of chemical compounds that may be otherwise unrelated in structure, properties, and uses. Oils may be animal, vegetable, or petrochemical in origin, and may be volatile or non-volatile. They are used for food, fuel, lubrication, and the manufacture of paints, plastics, and other materials. Specially prepared oils are used in some religious ceremonies as purifying agents
Źródło: https://en.wikipedia.org/wiki/Oil
The reasons for the rare visits to our car
As you know, most of the people going to the car service decides to take this step due to the sudden emergency situation and still persisting problems with the car. Of course, there are also compulsory inspection of cars, but apart from a cursory check the performance of our car hardly anyone decides on a thorough diagnosis of the car. This is primarily associated with costs that have to be incurred in connection with the sometimes very costly repairs and replacements of car parts. Often the repair turns out to be also unprofitable, because it exceeds the value of the car. In such cases, the best solution would be to sell the car.
Different service stations
On the market there are very many choices when it comes to space repair our car. We decide against it at an authorized service center, which will find professionals who have a much greater knowledge about our car. This applies especially to the latest car models. There are also many possibilities to choose between the usual automotive workshops providing services such as replacement auto parts. This solution is certainly more beneficial for people who want to save money on car repair or car is already quite aged. The price difference between these two types of car repair really is often enormous.