Don wannan injin, muna ba da gefe iri uku kamar haka:
Kuna buƙatar kawai zaɓi girman kuma za mu samar da ƙirar da aka dace, wanda ke nufin za ku iya gama duk girman a cikin injin guda ɗaya ta canza ƙirar.
Wannan na'ura tana da babban aiki na atomatik, ma'aikaci ɗaya ne kawai zai iya gama dukkan samarwa.
Don ƙarami akwatin, ton daya galvanized karfe tube iya yin kamar haka: kauri 0.5mm iya yin game da 8815 guda, 0.6mm iya yin game da 7346 guda, 1.2mm iya yin game da 3673 guda akwatin.