Kodi chinthucho chiyenera kumizidwa kuti chichotsedwe m'mitu yozungulira?

Sikofunikira kuboola mabowo ozungulira kuti mukoke ma rivets okhala ndi mitu yozungulira yochotsedwa.

https://www.yukerivet.com/news/do-countersunk-head-rivets-require-countersunk-holes/