Na li-rivets tsa hlooho tse koahetsoeng ka tlas'a metsi li hloka masoba a koahetsoeng ka tlas'a metsi?

Pele o sebedisa rivet e butsweng ya hlooho e hulang e countersunk, ho hlokahala hore o etse lesoba la ho countersunk poleiting pele, ho seng jwalo ho tla ba bonolo ho se leka-lekane kamora ho riveting.