1. Ƙaƙƙarfan gini, tsayayyen gudu, kyakkyawan sakamako mai tsabta;
2. Ƙananan ƙararrawa, ƙananan amfani da wutar lantarki da babban fitarwa;
3. Tsayayyen ciyarwa a cikin akwatin ciyarwa, ana iya rarraba kaya ko da a cikin nisa shugabanci. Motsin akwatin sieve waƙoƙi guda uku ne;
4. Yana da ƙarfin daidaitawa don hatsi daban-daban tare da ƙazanta.