Re sebelisa mokhoa o nepahetseng oa ho bopa tlhahiso e kholo ea alumina ceramic shaft, bearing ea ceramic.Alumina ceramic shaft, ceramic e nang le mocheso le ho hanyetsa serame, matla a manyenyane a elasticity, khatello ea khatello, boima bo bobebe, coefficient e nyenyane ea likhohlano le melemo e meng, e sebelisoang haholo ho likoloi tse phahameng.