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Thu, 30 Jun 2016
Cawn weld sut hwyl gaiff disgyblion o Wynedd a M么n wrth iddynt dreialu'r ceir maen nhw wedi'i adeiladu. Youngsters from Gwynedd and M么n test a car they've built on Anglesey Circuit track.
Darllediad diwethaf
Gwen 1 Gorff 2016
13:05