Kodi jumper ya rivet yopanda khungu imatanthauza chiyani?

Mutu wolumpha wa rivet wopanda khungu: chifukwa rivet siikulunga mutu wa msomali, imayambitsa mutu wolumpha wa rivet.

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