sufficient security measures to ensure that the meeting cannot be accessed by unauthorised persons, and to ensure that unauthorised persons can be ejected from the meeting where necessary
mesurau diogelwch digonol i sicrhau na all personau heb awdurdod gael mynediad at y cyfarfod, ac i sicrhau y gellir cael gwared ar bersonau heb awdurdod o’r cyfarfod lle y bo angen