Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Introduction - 00:00
Electrical work - 00:55
Garratt Chimneys pt2 - 03:34
NG15 to Dinas - 11:07

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Cyflwyniad - 00:00
Gwaith trydanol - 00:55
Simneiau Garratt rhan 2 - 03:34
NG15 i Dinas - 11:07