First of all, the machine should avoid collisions, in order to ensure the machine clean, not to any corrosive chemicals. Secondly, mining machinery bearing shoulder the whole load of the machine, so the lubrication to a great extent, related to the bearing life, it directly affect the operation rate of the machine and the life…

Serpentinite is composed of minerals of the serpentine group. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth’s mantle. The alteration is particularly important at the sea floor at tectonic plate boundaries.