It is well known that the characteristics of friction and wear of ceramics are extremely sensitive to the environment. It is possible to divide the mechanism of the environmental effects into three major steps: The formation of the adsorbed layers. the change of the surface properties and the formation of tribochemical reaction products. Under actual sliding conditions. https://www.bekindtopets.com/hot-sale-Osborne-RN3-Big-Wheel-Nursery-Hog-Feeder-best-save/