Helen Humphreys sy'n ymuno ag Aled i drafod trôns sy'n glanhau eu hunain. Helen Humphreys joins Aled to discuss self-cleaning underpants. Show more
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Helen Humphreys sy'n ymuno ag Aled i drafod trôns sy'n glanhau eu hunain. Helen Humphreys joins Aled to discuss self-cleaning underpants. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
