I-Spiral ribbon mixer yenziwe ikakhulu yi-shaft engundoqo, i-double-layer okanye i-ribbon ye-multi-layer.Iribhoni ejikelezayo yenye ngaphandle kwaye enye ngaphakathi, kumacala achaseneyo, ityhala izinto emva naphambili, kwaye ekugqibeleni ifezekise injongo yokuxuba, efanelekileyo ukuvuselela izinto zokukhanya.