45215100 Construction work for buildings relating to health Construction work for buildings relating to health and social services, for crematoriums and public conveniences
45215000 Gwaith adeiladu ar gyfer adeiladau sy’n gysylltiedig ag iechyd a gwasanaethau cymdeithasol, ar gyfer amlosgfeydd a chyfleusterau cyhoeddus Gwaith adeiladu adeiladau