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Heddiw, mae Jay, ffrind Oli am ddangos i ni sut mae gweithio JCB ar safle adeiladu prysur. Oli's friend Jay shows us how the JCB works on a busy building site.

3 o fisoedd ar ôl i wylio

9 o funudau

Darllediad diwethaf

Mer 19 Tach 202509:15
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Rhagor o benodau

Blaenorol

Trên StêmCyfres 1

Nesaf

Injan DânCyfres 1

Gweld holl benodau Oli Wyn

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