For example, the Alcohol Treatment Centre, the Night Marshals, the Safe Places App, the Street Pastors and the Student Safety Bus.
Er enghraifft, y Ganolfan Triniaeth Alcohol, Stiwardiaid y Nos, yr Ap Mannau Diogel, Bugeiliaid y Stryd a'r Bws Diogelwch i Fyfyrwyr.