(a) to deny Users access to the Site or any part of it and to decline to provide the Services to any User who is in breach of these Terms; and/or
(a) i wadu mynediad i Ddefnyddwyr i’r Safle neu unrhyw ran ohono ac i wrthod darparu Gwasanaethau i unrhyw Ddefnyddiwr sy’n torri’r Telerau hyn; a/neu