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Gwaith cynnal hanfodol ar y wefan – Dydd Iau 9 Ionawr 2020
Byddwn yn gwneud gwaith cynnal hanfodol ar y wefan trwy'r prynhawn, a fydd yn effeithio rhywfaint ar systemau. Rydyn ni'n ymddiheuro ymlaen llaw am unrhyw anghyfleustra y gallai'r gwaith ei achosi a byddwn yn ceisio tarfu cyn lleied â phosib'.
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C
Cyn argyfwng
Y
Yn ystod argyfwng
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Eira a Rhew
C
Colli Cyflenwad Pŵer ac Argyfyngau
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Rhoi Gwybod am Broblemau Gyda Choed
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