Gwnaeth y staff drafod effeithlonrwydd ynni mewn cyfarfod staff
Iau 19eg Hyd 2023
Inform staff of the half term switch off. Ensure that doors are closed at break times/lunchtimes if heating is on to preserve energy. Continuing to switch off lights. Members of the eco team should be taking charge of their classrooms.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn: 10
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