Economi gylchol yw un ble y mae’n bosib i ddeunydd o safon uchel sy’n deillio o wastraff gael ei roi yn ôl i weithgynhyrchwyr Cymru fel deunydd crai eilaidd i’w ddefnyddio i gynhyrchu eto ac eto.
A circular economy is one where high-quality materials derived from waste products can be supplied back to Welsh manufacturers as secondary raw material and then productively used again and again.