Manufacture of clay building materials

This class includes:

• manufacture of non-refractory ceramic hearth or wall tiles, mosaic cubes etc.
• manufacture of non-refractory ceramic flags and paving
• manufacture of structural non-refractory clay building materials:

• manufacture of ceramic bricks, roofing tiles, chimney pots, pipes, conduits etc.

• manufacture of flooring blocks in baked clay
• manufacture of ceramic sanitary fixtures