Kedu ihe ọzọ a ga-akpọ rivets ndị e mechiri emechi nke nwere isi oblate?

A pụkwara ịkpọ rivets blind head oblate emechi:

Rivets kpuru ìsì nke isi gbara gburugburu nke mechiri emechi, rivets kpuru ìsì nke isi gbara gburugburu nke mechiri emechi, rivets kpuru ìsì nke isi gbara gburugburu nke mechiri emechi, rivets kpụrụ ìsì nke gburugburu nke mechiri emechi.

https://www.yukerivet.com/news/what-are-the-surface-treatment-methods-for-anti-corrosion-of-closed-countersunk-head-blind-rivets/