Theƙirƙira fasaha naflange mara kyauya hada daƙirƙira kyauta, mutuwar ƙirƙira da fim ɗin tayaƙirƙira. A lokacin samarwa,ƙirƙira daban-dabanAna zaɓar hanyoyin bisa ga girman da adadinƙirƙirasassa.
Kayan aiki da kayan aiki da ake amfani da su a cikin ƙirƙira kyauta suna da sauƙi, duniya da ƙananan farashi. Idan aka kwatanta da jefar da babu komai,ƙirƙira kyautayana samar da rami mai raguwa, porosity da sauran lahani, kuma yana sanya blank yana da mafi girman kayan inji. Forgings suna da sauƙi a siffa kuma masu sassauƙa a cikin aiki.
Sabili da haka, yana da mahimmanci a ƙirƙira flange marasa daidaituwa.Ƙirƙira kyautakayan aiki sun haɗa da guduma na iska, tururi-iska guduma da kuma na'ura mai aiki da karfin ruwa latsa, wanda ya dace da samar da kananan, matsakaici da kuma manyan flanges marasa misali. Mutu ƙirƙira babban yawan aiki, aiki mai sauƙi, sauƙin gane injina da sarrafa kansa. Die ƙirƙira yana da daidaito mai girma, ƙaramin izinin injina da ƙarin madaidaicin rarraba tsarin fiber, wanda ke haɓaka rayuwar sabis.flange mara kyau.