Mipeni yathu yodulira mapepala opangidwa ndi mafakitale imapangidwa ndi chitsulo cha tungsten ndipo ndi yoyenera malo odulira mwachangu kwambiri. Masambawa amapereka kuuma kwapadera komanso kukana kuwonongeka, amatha kupirira nthawi yayitali yogwira ntchito mosalekeza. Amapereka kudula kolondola kwambiri, kudula koyera, komanso mawonekedwe opanda burr, zomwe zimapangitsa kuti ntchito igwire bwino ntchito komanso kukulitsa nthawi yogwira ntchito. Ndi oyenera zida zosiyanasiyana zodulira mumakampani opanga ma corrugated, makamaka pamizere yodulira mwachangu komanso mizere yopangira yokha yomwe imafuna kufunikira kwakukulu pakupanga.
