Dufite ubuhanga bwo gukora ibyuma bitunganya ibyuma, bikoreshwa cyane mugucamo neza ibikoresho nkibikoresho bitagira umwanda, icyuma cyumuringa, na aluminiyumu. Ikozwe muri karbide, ivangwa nubushyuhe butunganijwe, hamwe nubutaka bwuzuye, bigera kumyambarire myiza no kwihanganira. Zitanga neza, burr, kandi nta guhangayika kugabanuka, bigatuma bikwirakwira byihuse, byihuta cyane. Zitanga ituze ridasanzwe mu gutemagura amabati no guhora ukata ibyuma byoroshye, byongerera ubuzima ibikoresho neza, kuzamura umusaruro, no kugabanya ibiciro muri rusange.
