Indiro yekuparadzanisa, yekutanga clamping groove inoumbwa pane inoparadzanisa ndiro, uye yechipiri clamping groove inoumbwa padivi rekuparadzanisa;umo, yekutanga clamping groove iri kumucheto kwendiro yekuparadzanisa, saka yechipiri inobata giroove iri pamusoro pendiro yekuparadzanisa.