Dechreuwyd ymgyrch i gadw'r drysau a'r ffenestri ar gau pan fydd y gwres ymlaen
Gwe 24ain Tach 2023
Children reiterated message from the Energy Sparks assembly. Eco council monitoring activity in classrooms at break and lunchtimes.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn: 10
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