Mfe dị ọcha - Nke kacha mma trimmers nwere isi ọnwụ nke nwere ike iwepụ ma kpochaa, nke na-enyere gị aka ịmebe mgbịrịgwụ mgbu. 
Mfe di ocha - Nke kacha mma trimmers nwere isi onwu nke nwere ike iwepu ma kpochaa, nke na-enyere gi aka imebe mgbirigwu mgbu. 