Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
dai-the-rat
4 Medi 2019, 18:52
The initials GECB equate to the Central Electricity Generating Board being a state owned organisation responsible for power generation and its distribution throughout England and Wales from c.1957 until it became fragmented as a result of privatisation in 1990.
sylw - (1)