Kedu ihe kpuru ìsì rivet jumper pụtara?

Isi na-awụ elu rivet kpuru: n'ihi na rivet anaghị ekpuchi isi ntu, ọ ga-eme ka isi na-awụli elu rivet.

https://www.yukerivet.com/news/the-core-of-the-blind-rivet-is-not-completely-pulled-out-what-is-the-reason-for-the-fracture/