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mae darparu nofio am ddim yn cael effaith enfawr ar niferoedd ac amlder y sesiynau nofio gan bobl ifanc yng nghymru
providing swimming for free has had an enormous effect on the numbers and the frequency of young people swimming in wales
soniodd cadeirydd y pwyllgor am gynyddu amlder y profi o bedair blynedd i ddwy , ac mae hynny'n dra chanmoladwy
the chair of the committee talked about increasing the frequency of testing from four to two years , which is very commendable