K KARRENA

BUILDING MATERIALS-NAMELY, SUSPENDED CEILINGS AND LININGS MADE OF FIREPROOF STONE AND/OR MINERAL-BASED CONSTRUCTION MATERIALS FOR CONSTRUCTING SUSPENDED CEILINGS AND LININGS OF COMBUSTION CHAMBERS AS WELL AS SUCH CEILINGS AND LININGS, AND PREFABRICATED STRUCTURAL PARTS MADE OF CONCRETE, STEEL AND/OR PLASTIC FOR ERECTING CHIMNEYS AND COOLING TOWERS