Ke hobane'ng ha li-rivets tse foufetseng li roba mandrel eseng moo ho robehang stud ea ho hula?

1. Matla a ho hula a mandrel ka boyona ha a tsitsa, matla a ntlha ya ho robeha a haufi haholo le matla a ho hula a mandrel ka boyona, kapa kalafo ya mocheso ha e etswe, mme mandrel e a robeha.

2. Mandrel e senyehile pele e tjheseha.

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/