The oil for the engine is part of the lubrication system (lubrication system) and has the role of reducing the wear of the engine, by creating a resistant film of lubricant between the surfaces of the parts in motion.
The lubrication system is essential for the proper functioning of the engine, therefore the periodic checking of the oil in the pan with the help of the oil dipstick is recommended. The correct level of the oil in the pan must be between the minimum and maximum marks on the oil dipstick. And the change of the oil and of the filtering element is done at a certain number of km driven, specified by the manufacturer of the motor vehicle, or according to the validity period of the oil.
The correct answer is: B
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