Groundwork North Wales in Wrexham will use �9988 to offer a gardening maintenance service to those who are clinically vulnerable to COVID-19 and to NHS staff. Bydd Groundwork Gogledd Cymru yn Wrecsam yn defnyddio �9988 i gynnig gwasanaeth cynnal a chadw garddio i'r rhai sy'n glinigol agored i COVID-19 ac i staff y GIG.