“…Take one case whereby EP greases that were utilized in automotive wheel bearing, chassis, disc brake, universal joints, and fifth wheel are either in the state of lithium or lithium complex, aluminum complex, and calcium sulfonate greases [17]. Meanwhile, lubricating grease selected in automotive industry should possess the following important properties: high dropping point, good shear stability and adhesive properties, thermal and oxidation degradation resistance, water resistance, good protection against heavy and continuous shock loads, anti-wear, good compatibility with other conventional greases and differential oils [18,19]. On top of that, these properties are required to ensure that the grease is able to perform well during the operation.…”