However, at a time when resources are tight, I have decided to focus effort initially at high risk properties where this measure will have the greatest impact.
Eto i gyd, gan fod adnoddau'n brin, rwyf wedi penderfynu canolbwyntio i ddechrau ar eiddo risg uchel er mwyn sicrhau y bydd y mesur hwn yn cael yr effaith fwyaf bosibl.