Dechreuwyd ymgyrch i gadw'r drysau a'r ffenestri ar gau pan fydd y gwres ymlaen
Llun 19eg Meh 2023
Students discussed the benefits of keeping doors and windows closed in cold weather and when the heating is on around site of certain classrooms. A poster was made (attached) and shared with teachers to remind them to keep doors and windows closed during cooler days.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn:
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