Imashini ya roller isanzwe ifatwa nkigishushanyo mbonera cy’imibumbe, ariko itandukaniro ryinshi rirahari, harimo itandukaniro, kuzenguruka, hamwe na verisiyo ihindagurika. Buri gishushanyo gitanga inyungu zidasanzwe mubijyanye nubushobozi bwimikorere (ubushobozi bwo kwikorera, torque, na positio ...
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