They have dealt with a colossal task: the culmination of years of debate and discussion, extensive trials, and many months of intensive preparatory work ahead of the Wales-wide launch on 17 September.
Maent wedi cyflawni tasg anferthol: penllanw blynyddoedd o ddadlau a thrafodaeth fanwl, cynlluniau treialu helaeth, a misoedd lawer o waith paratoi manwl cyn ei gyflwyno ledled Cymru ar 17 Medi.