Datblygwyd y gwerthoedd cerrig milltir cenedlaethol hyn yn dilyn rhaglen o ymgysylltu â rhanddeiliaid ac nid ydynt wedi newid yn dilyn y broses ymgynghori ffurfiol ar ôl cael eu cefnogi’n dda gan ymatebwyr.
These national milestone values have been developed following a programme of engagement with stakeholders and are unchanged following the formal consultation process after being well supported by respondees.