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"ynysydd" yw "isolator" ( trydanol ) yn ôl GyAOn 26 October 2013 15:52, Sian Roberts <[log in to unmask]> wrote: " there should be a means of isolating the power source to the machine""arwahanu" 'ta "ynysu"? DiolchSiân
" there should be a means of isolating the power source to the machine""arwahanu" 'ta "ynysu"? DiolchSiân