Poukisa rivet avèg yo kase mandrin lan epi non pa nan pwen kase ti boulon rale a?

1. Fòs rale mandrel la li menm pa estab, fòs pwen kraze a trè pre fòs rale mandrel la li menm, oubyen tretman chalè a pa fèt, epi mandrel la frajil.

2. Mandèl la te domaje anvan yo te rivete l.

https://www.yukerivet.com/news/the-mandrel-of-the-rivet-has-been-completely-pulled-out-is-it-qualified-to-leave-a-penetrating-hole-in-the-rivet-body-after-riveting/