Kusho ukuthini i-blind rivet jumper?

Ikhanda eligxumayo le-rivet eliyimpumputhe: ngoba i-rivet ayisongeli ikhanda lezipikili, izobangela ikhanda eligxumayo le-rivet.

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