Iyi tungsten karbide inyundo ikoreshwa mu gusya inkwi ikozwe mu mavuta ya mangane 65 ya manganese nkibikoresho fatizo, hamwe nuburemere bukomeye hamwe na karubide ndende ya tungsten hejuru yo gusudira hamwe no gutera imbaraga zo gusudira, bigatuma imikorere yibicuruzwa iba myiza kandi hejuru.