Makina opukutira a GMM-Y Series Edge ndi mtundu wa makina opukutira odziyendetsa okha m'mphepete okhala ndi mphamvu yakutali m'malo mwa kapangidwe kakale. Kupeza bevel yachitsulo m'mphepete mwa kudula kozizira popanda kuipitsa mpweya ndi kulondola kumatha kufika pa Ra3.2-6.3. Makinawo amasunthika mosavuta komanso kuyenda motsatira m'mphepete mwa mbale.
