Answer
Haɓakar bangon bango yana faruwa lokacin da nauyin axial ɗorawa $P$ ya zarce ƙarfin yawan amfanin ƙasa na kayan gidaje. Wannan ya zama ruwan dare yayin amfani da zoben riƙe da ƙarfe a cikin gidaje na aluminum ko filastik. Matsalolin da aka keɓance a wurin tuntuɓar shine $\sigma_c = \frac{P}{A_{lamba}}$. Idan $\sigma_c> \sigma_{y,housing}$, kayan sun lalace ta hanyar filastik, suna ƙirƙirar bayanin martaba mai kama da tsagi. Da zarar tsagi ya lalace, zoben yana rasa goyon bayansa na kai tsaye kuma a ƙarshe zai 'fitowa'. A cikin binciken gazawar, ana gano wannan ta kasancewar gefen tsagi na 'birgima'. Don gyara wannan, injiniyoyi dole ne su ƙara zurfin $d$, yi amfani da kayan gida mai ƙarfi, ko amfani da 'Groove Guard' ko zobe mai kauri don rarraba kaya a kan babban yanki.
