3. Isi ntu na-adapụ: Mgbe agbachara, a pụghị ịkechie isi mandrel wee dapụ n'ahụ rivet ahụ.
4. Na-agbawa ahụ nke na-agbawa: Mgbe ọ dọtara riveting, anụ ahụ na-agbawa nwere ogologo mgbawa ogologo ma ọ bụ gbawara kpamkpam.
https://www.yukerivet.com/news/the-nail-cap-came-off-what-is-the-reason/
Oge nzipu: Jul-28-2022