In response to Mike German's comments , I will illustrate what is happening on the ground in Neath Port Talbot
Dewiswch ydewisiad yma os ydych am ddefnyddio cloch addasiedig, sy' n canu ffeil sain. Os wnewch hyn, mae' n debyg byddwch am ddiffodd cloch y cysawd. Noder gall hyn achosi " oediad " ar beiriannau araf, rhwng y digwyddiad sy' n achosi' r gloch a chanu' r sainenglishtainment-tm-5pRN6JQt englishtainment-tm-5pRN6JQt