Os ydych chi i fod i adnewyddu eich trwydded yrru, a wyddech chi mai ein gwasanaeth ar-lein yw'r ffordd hawsaf, gyflymaf a mwyaf cyfleus i'w wneud?Once you renew your licence at 70 yrs of age you may automatically reduce the C class on your licence, if you wish to carry on having this group on your licence you have got to do Yet another exam once a