If we find there is a fault in our systems or the way we do things, we will tell you what it is and how we plan to make changes to help prevent the same errors from happening again.
rydym wedi eu cefnogi i unioni pethau a gweithio gyda nhw i ddeall sut y digwyddodd y camgymeriad, fel y gallwn nodi newidiadau a allai atal y camgymeriadau hyn rhag digwydd yn y dyfodol