Hari amazina menshi y’udupira tw’amatwi tudafite umutwe, nka: udupira tw’amatwi dufite impande ebyiri, udupira tw’amatwi tudafite inkingi, udupira tw’amatwi, n’udupira tw’amatwi dufite impumuro ebyiri.
https://www.yukerivet.com/news/do-countersunk-head-rivets-require-countersunk-holes/
Igihe cyo kohereza: Ukwakira-19-2022