Mr Calfin Griffiths o gwmni Western Power yn rhoi sgwrs diogelwch trydan i blant yr ysgol
Mr Calfin Griffiths of Western Power giving an electricity safety talk to the school pupils
Ymweliad Western Power/Western Power visit
Mr Calfin Griffiths o gwmni Western Power yn rhoi sgwrs diogelwch trydan i blant yr ysgol
Mr Calfin Griffiths of Western Power giving an electricity safety talk to the school pupils
Ymweliad Western Power/Western Power visit