Shin rivets na kai tsaye suna buƙatar ramukan ƙirƙira?

Kafin yin amfani da buɗaɗɗen kai na cire rivet, ya zama dole a fara yin rami a kan farantin karfe, in ba haka ba zai zama da sauƙi a yi rashin daidaituwa bayan riveting.