Abakora ibibuno bifata ibyubaka bishyigikira ibyubaka bigezweho hamwe nibice bya acetabula, ibiti byigitsina gore, bitwaje isura, ibyasubiwemo, hamwe nibikoresho byo kubaga bihuye. Ku bakwirakwiza amagufwa, amatsinda yo gutanga ibitaro, hamwe nabatumiza mu mahanga, guhitamo uwasimbuye ikibuno bikubiyemo ibirenze kugereranya izina rizwi cyane cyangwa igiciro cyatewe.