O le a se isi mea e mafai ona taʻua ai ni faʻamau tauaso ua tapunia?

E mafai fo'i ona ta'ua ni rivets tauaso ua tapunia o le oblate head:

Rivets tauaso ulu lapotopoto mafolafola tapunia, rivets ulu lapotopoto mafolafola tapunia, rivets ulu lapotopoto mafolafola tapunia, rivets faataamilo mafolafola tapuni.

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