35 Advertising; commercial business management; providing office functions; business assistance and commercial help with respect to the sale of non-metallic building materials, non-metallic building tiles, plywood, non-metallic paving slabs, parquet floor boards, non-metallic wall claddings used in building, non-metallic wall linings for building, parquet flooring, wood veneers, non-metallic floor boards, wood for building namely, planks, non-metallic claddings for building, non-metallic laminated and stratified building materials, non-metallic laminated and stratified building materials for covering floors, synthetic racetracks, non-metallic building materials for synthetic racetracks, synthetic covering materials for racetracks, wood for floor coverings; business assistance and commercial help with respect to the sale of non-metallic wall parts, bases and accessories namely, baseboards, moldings, stair nosings, stair edgings, paving slabs, tactile walking surface and sign plates and tiles, threshold bars and bands, joining profiles and reducers, carpets, doormats, mats, linoleum and other floor coverings namely, coverings of vinyl, of rubber, non-textile wall hangings, gymnastic mats, artificial turf, carpets for automobiles, wallpapers, floor coverings namely, protective vinyl for floor coverings, floor coverings, floor coverings of vinyl, wall coverings of plastic, of vinyl, of rubber, parts, bases and accessories for walls namely, slabs, tactile walking surface and sign plates and tiles, threshold bars and bands, joining profiles and reducers of linoleum or cork; business assistance and commercial help with respect to the sale of reducer elements of linoleum or cork for joining floors, indoor floor coverings and artificial outdoor floor coverings and floor coverings, namely, materials in the nature of coverings for sports activities