Staff were told to unplug visualisers in classrooms, offices were told to turn off from the wall or unplug kettles, defrost fridge/freezers, and of course classroom thermostats were turned off.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn: 1000
Rydym yn defnyddio rhai cwcis hanfodol i wneud i Sbarcynni weithio. Hoffem hefyd ddefnyddio cwcis dadansoddol fel y gallwn ddeall sut rydych yn defnyddio'r gwasanaeth a gwneud gwelliannau.
Dysgu rhagor