3. Ka taka te upoko titi: I muri i te riveting, kaore e taea te takai te upoko mandrel ka taka atu i te tinana rivet.
4. Ka pakaru te tinana riveting: I muri i te toia te riveting, he kapiti roa te tinana riveting kua tino pakaru ranei.
https://www.yukerivet.com/news/the-nail-cap-came-off-what-is-the-reason/
Wā tuku: Hūrae-28-2022