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Paratoi ar gyfer gosod y mesurydd clyfar a beth i’w ddisgwyl

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I wylio’r ffilm hon, ewch at dudalen YouTube Ynni Clyfar GB:

https://youtu.be/K3HBJaBezyU

I rannu’r ffilm ar gyfryngau cymdeithasol, copïwch a gludiwch y linc yma:

https://youtu.be/K3HBJaBezyU

I fewnosod y ffilm ar eich gwefan copïwch a gludiwch y linc yma:

<iframe width="560" height="315" src="https://www.youtube.com/embed/K3HBJaBezyU" frameborder="0" allowfullscreen></iframe>


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