Trystan Davies sy'n cynnig cyngor ynghylch cymorth cyntaf ar wyliau haf. Trystan Davies offers advice on first aid during a summer holiday. Show more
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Trystan Davies sy'n cynnig cyngor ynghylch cymorth cyntaf ar wyliau haf. Trystan Davies offers advice on first aid during a summer holiday. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
