Oghere mgbochi skid nwere agba bụ teknụzụ ịchọ mma okporo ụzọ ọhụrụ. Ọ nwere ike nweta mmetụta mara mma mara mma na pavement ojii asphalt ọdịnala na pavement ciment, ma n'otu oge ahụ nwere mmetụta mgbochi skid siri ike, nke na-eme ka nchekwa ụgbọ ala dịkwuo mma.
