Tsarin karfe mai sanyi da aka kafa yana da nau'ikan biyu: ba ciged sanyi-kafa mai launin fata (wanda aka sani da faranti na filaye) da kuma ci gaba da l-dimped, s-dimped da z-deted da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-dimped da z-deted Tsarin samarwa: Tsarin bakin ciki (kauri da aka saba amfani da 8mm ~ 14mm) ana ci gaba da birgima kuma an kafa shi a cikin naúrar lanƙwasa. Abvantbuwan amfãni: Rashin saka hannun jari a cikin layin samarwa, farashin samarwa, sarrafa samfurin mai sassauƙa. Rashin daidaituwa: Kaurin kaurin kowane bangare iri ɗaya ne, ba za a iya inganta girman sashin ba, wanda ba zai yiwu a dakatar da ruwa ba, kuma tari yana da sauki hawaye lokacin amfani