Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: WPW032532 / 1345103)

' Point rodding, connecting the lever in the signal box to the point(s). This why the signal box is always placed as close as possible to the junction or level crossing it controls. '

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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