Lub jumper dig muag rivet txhais li cas?

Dig muag rivet dhia taub hau: vim tias rivet tsis qhwv lub taub hau ntsia hlau, nws yuav ua rau rivet dhia taub hau.

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