Kaji Eksperimental Pengaruh Kecepatan Terhadap Campuran Minyak Sawit Dan Miny…

In the engineering world there are many workmanship processes that can cause friction between machine components. Every moving machine component will definitely cause friction. One of the consequences of friction that occurs continuously is that it can cause damage to engine components, which is called wear. Therefore, lubricants are needed to protect engine components from the wear caused by t…