Palibe kutembenuka kofunikira
Udindo ukhoza kupezeka mwachangu
Kwa makina amphero, malo opangira makina ndi zida zina zamakina, zimatha kupulumutsa nthawi yofunikira kuti mupeze malo oyenera.
Chitsanzo chothandizira chingagwiritsidwe ntchito pozindikira bwino nkhope za mapeto, ma diameter amkati ndi akunja