Me ake nufi da makamin rivet mai makafi?

Kan tsalle mai makaho: saboda rivet ɗin bai naɗe kan ƙusa ba, zai haifar da kan tsalle mai kama da rivet.

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