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Construction materials and components of the following materials: Sand, Stone, rock, clay and minerals and Concrete; Fillers for chemical construction goods namely For spackling compounds, tiling adhesives, process compounds, joint compounds, sealing compounds or adhesive substances, for building materials namely For plaster, concrete, screed or insulating materials, paints and lacquers, plastics, bulk goods, coatings, in particular wall coatings and floor coatings, and being filter media; Light fillers for chemical construction goods namely For spackling compounds, tiling adhesives, process compounds, joint compounds, sealing compounds or adhesive substances, for building materials namely For plaster, concrete, screed or insulating materials, paints and lacquers, plastics, bulk goods, coatings, in particular wall coatings and floor coatings, and being filter media; Aggregates for chemical construction goods namely For spackling compounds, tiling adhesives, process compounds, joint compounds, sealing compounds or adhesive substances, for building materials namely For plaster, concrete, screed or insulating materials, paints and lacquers, plastics, bulk goods, coatings, in particular wall coatings and floor coatings, and being filter media; Light aggregates for chemical construction goods namely For spackling compounds, tiling adhesives, process compounds, joint compounds, sealing compounds or adhesive substances, for building materials namely For plaster, concrete, screed or insulating materials, paints and lacquers, plastics, bulk goods, coatings, in particular wall coatings and floor coatings, and being filter media; Fillers in powder form for the aforesaid applications; Light fillers in powder form for the aforesaid applications; Granular aggregates for the aforesaid applications; Light granular aggregates for the aforesaid applications; Minerals; Hollow mineral balls; Multicellular light fillers for the aforesaid applications, in particular of volcanic rock; Hollow aluminium silicate balls being fillers or light fillers for the aforesaid applications