Kwinjiza ibiti bya karbide nanone byitwa gutema ibiti bya karbide, bifite impande enye zo gutema kuburyo impande zishobora kuzunguruka kugirango zerekane impande nshya iyo zijimye cyangwa zicagaguritse, bikavamo igihe gito cyane cyo kuzigama no kuzigama cyane hejuru ya karbide isanzwe. Bibaye ihitamo ryambere ryibikoresho bigezweho byo gutema ibiti byo gutema bikabije, hejuru yoroheje, kuramba gukomeye, urusaku ruke nimbaraga nyinshi