45213270 Construction works for recycling station Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport
45213270 Gwaith adeiladu ar gyfer gorsafoedd ailgylchu Gwaith adeiladu ar gyfer adeiladau masnachol, warysau ac adeiladau diwydiannol, adeiladau sy’n gysylltiedig â thrafnidiaeth