Menene laifin makafin rivets?

Akwai dalilai guda biyu na rashin adalci:

1. Ƙayyadaddun rivet ɗin makafi yana da tsayi da yawa, wanda bai dace da kauri ba.

2. Ba a sanya bindigar rivet da farantin a kwance ba, kuma an ja rivet ɗin, wanda ya sa rivet ɗin ta karkace bayan an ja!

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