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Kulul Iibinta Tiiritaanka Is-habaynta Roller-ka Qiimaha
Xirmooyinka wareega ee isku dhejinta waxay ka kooban yihiin giraan gudaha ah iyo rullaluistemadka iyo golaha qafiska, iyo giraanta dibadda ah.
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Duubista Duubabka duuban
rullaluistemadka hal-jid riixaya, rullaluistemadka laba-jidka riixaya duuban.
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Ku-Xirista Wareegga Wareegga ah ee Cylindrical
Hal-jid (laba-jid) rullaluistemadka cylindrical-ku-jiidka ah waxay ka kooban yihiin giraangiraha jidka orodka-qaabeeya (dhaqaalaha shafka, kursiga dhaqida), rollers cylindrical iyo shirarka qafiska.
