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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EAW037867 / 1433389)

' Electrified track descending to the Harbour station. The "third rail" can be seen carrying a voltage of 660 volts direct current. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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