Ddbdị ndọtị dị mma bụ ihe eji emepụta ihe, arụmọrụ dị mma, nsonaazụ nrụgide na-adọkpụ ya na-emegharị ya. Pụọ mgbapụta, ma nwee ike mezue ọrụ nloghachi nke etiti, mmanụ ọ bụla nwere onye nkesa nke ya iji kesaa ya nke ọma site na cu.in Mpaghara Lubriction, onye na-ekesa ihe na-ekesa nke mmanụ ọ bụla na-etolite usoro na-akwụghị ụgwọ, na-enyefe ya nke na-eme ihe na-aga n'ihu, ọ nwere ike inweta mmanụ dị ala, ọ nwere ike inweta ala A na-ejikwa mkpuchi mmanụ, mkpuchi nwere ike igbochi ájá na mmiri ozuzo.
