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Gufungura neza: Uruhare rwimyenda ya IKO Umwanda mubikoresho byinganda 1. Intangiriro kuri IKO Sp Indwara 2. Akamaro k'ubucuruzi mubikoresho by'inganda 3. Gusobanukirwa inzoga: Igishushanyo n'imikorere 3.1 Ubukanishi bwa Spherical Bearings 3.2 Byingenzi biranga IKO Spherical Bearings 4 Opera. inyungu za IKO Umwanzuro