Ychwanegwyd amseryddion at argraffwyr a llungopïwyr
Llun 8fed Ion 2024
Timers added to printers and photocopieers so they went off at 5pm every night during school and came on at 8am in the morning. They are turned off during the weekends.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn: 485
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