We made slips and put them around the school by lights switches to remind everyone to turn off the light switches. We also put reminders up to turn off other appliances.
Disgrifiad o'r gweithgaredd
Bydd disgyblion yn nodi’r holl offer TG, teclynnau a goleuadau drwy’r ysgol ac yn nodi pa rai y gellir eu diffodd gan ddefnyddio system codio goleuadau traffig.
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