[{"text_idx": "#000000", "text": "Gwifren bigog a gwifren Razor"}, {"text_idx": "#000002", "text": "Mae tri math o'r ffens cyswllt cadwyn:"}, {"text_idx": "#000003", "text": "* Galfanedig wedi'i dipio'n boeth."}, {"text_idx": "#000005", "text": "PVC Cadwyn L.ffens inc Manylebau"}]