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We want YOU to tell us how we're doing ✔✖ Please fill out our survey. 2 mins. Promise. https://t.co/JAtDmRWFkY pic.twitter.com/Htv5FA4zCK— Dr David Clubb 🏴󠁧󠁢󠁷󠁬󠁳󠁿🇪🇺🏳️‍🌈 (@davidoclubb) May 17, 2017 Rydym wedi lansio ein harolwg blynyddol (saesneg yn unig,...