Ndi chiyani chinanso chomwe ma rivets akhungu amutu otsekedwa angatchulidwe?

Ma rivets akhungu otsekedwa a oblate atha kutchedwanso:

Zotsekera zozungulira mutu wakhungu ma rivets, otsekedwa athyathyathya ozungulira mutu kukoka ma rivets, otsekedwa athyathyathya ozungulira mutu kukoka ma rivets, otsekedwa athyathyathya ozungulira kukoka ma rivets.

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