231 — MANUFACTURE OF GLASS AND GLASS PRODUCTS
2310Manufacture of Glass and Glass Products239 — MANUFACTURE OF OTHER NON-METALLIC MINERAL PRODUCTS N.E.C.
2391Manufacture of Clay Products2393Manufacture of Other Porcelain and Ceramic Products2394Manufacture of Cement, Lime and Plaster2395Manufacture of Articles of Concrete, Cement and Plaster2396Cutting, Shaping and Finishing of Stone2399Manufacture of Other Non-Metallic Mineral Products n.e.c.