45215214 Residential homes construction work Construction work for buildings relating to health and social services, for crematoriums and public conveniences
45215212 Gwaith adeiladu cartrefi ymddeol Gwaith adeiladu ar gyfer adeiladau sy’n gysylltiedig ag iechyd a gwasanaethau cymdeithasol, ar gyfer amlosgfeydd a chyfleusterau cyhoeddus