Their lawyers can give you free confidential advice at any stage about how to raise concerns about serious malpractice at work.
Mae gan Swyddogion ar Ddyletswydd fynediad at ystod eang o adnoddau ar-lein ac maent yn cael arweiniad ar y prif fathau o faterion y gellir dod ar eu traws y tu allan i'r oriau arferol.