The sessions covered a number of areas including health and safety, wellbeing, and cyber security which were presented by staff undertaking the work.
Roedd y sesiynau'n cwmpasu nifer o feysydd gan gynnwys iechyd a diogelwch, llesiant a seiberddiogelwch a gyflwynwyd gan y staff sy'n ymgymryd â'r gwaith.