45212221 Construction work in connection with structures for sports ground Construction work for buildings relating to leisure, sports, culture, lodging and restaurants
45212221 Gwaith adeiladu sy’n gysylltiedig â strwythurau ar gyfer maes chwaraeon Gwaith adeiladu ar gyfer adeiladau sy’n gysylltiedig â hamdden, chwaraeon, diwylliant, tai llety a bwytai