For public playgrounds with a boundary, this sign must be in a prominent position at or near the main entrance (if there are more than one main entrance, then each of them).
Ar gyfer meysydd chwarae cyhoeddus â ffin, rhaid i'r arwydd hwn fod mewn man amlwg wrth y brif fynedfa neu gerllaw’r fynedfa honno (os oes mwy nag un brif fynedfa, yna pob un ohonynt).