Ydy, ar ôl rhybedu'r rhybed pen crwn, mae un ochr yn grwn a'r llall wedi'i gwrthsuddo! https://www.yukerivet.com/news/what-should-i-do-if-there-is-a-dislocation-between-the-stainless-steel-plate-and-the-square-tube-with- gwrthsuddo-pen-ddall-rhybedi/ Amser postio: Hydref-12-2022
