Il-prodott irid ikun imdawwar b'ras tonda biex jiġu evakwati r-rivets?

Mhuwiex neċessarju li tittaqqab toqob imżerżqa biex tiġbed rivets b'irjus tondi vojta.

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