2691 |
Manufacture of non-structural non-refractory ceramic ware |
2692 |
Manufacture of refractory ceramic products |
2693 |
Manufacture of structural non-refractory clay and ceramic products |
2694 |
Manufacture of cement, lime and plaster |
2695 |
Manufacture of articles of concrete, cement and plaster |
2696 |
Cutting, shaping and finishing of stone |
2699 |
Manufacture of other non-metallic mineral products n.e.c. |