RCV UK (Risca CV19 Volunteers) will use �9797 to support their volunteers and co-ordinate activities and co-ordinate events for the whole community in Caerphilly. Bydd RCV UK (Gwirfoddolwyr Rhisga CV19) yn defnyddio �9797 i gefnogi eu gwirfoddolwyr a chydlynu gweithgareddau a digwyddiadau ar gyfer y gymuned gyfan yng Nghaerffili.