Lubrication is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each another, by interposing a substance called lubricant between the surfaces to carry or to help carry the load (pressure generated) between the opposing surfaces. The interposed lubricant film can be a solid, (eg graphite, MoS2) a solid/liquid dispersion, a liquid, a liquid-liquid dispersion (greases) or exceptionally a gas. In the most common case the applied lo… (More on Lubrication)