[{"text_idx": "#000001", "text": "Prosiect Diogelu'r Amgylchedd a Thrin Dw\u0302r"}, {"text_idx": "#000004", "text": "Newidiadau Canolig a Switchgears Foltedd Uchel"}, {"text_idx": "#000007", "text": "Y System Fonitro a'r System Amddiffyn"}]