Anyị na-anakwere usoro ịkpụzi nkenke nnukwu mmepụta nke alumina ceramic shaft, seramiiki ibu.Alumina ceramic shaft, seramiiki ebu na okpomọkụ na oyi na-eguzogide, obere ike elasticity, mgbali nguzogide, ìhè arọ, obere esemokwu ọnụ ọgụgụ na na ụfọdụ uru, ọtụtụ ebe na-eji na elu ọnụ ọgụgụ moto.