Non-metal floors, non-metal floor coverings, namely, non-metal floor tiles, mats, plates, or panels; non-metal ceiling coverings, namely, non-metal ceiling tiles, mats, plates, or panels; floor coverings comprised primarily of plastics as well as of plastics substitute material; parquet wood flooring, namely, single, two and three-layer parquet wood flooring; solid wood flooring; PVC flooring, namely, polyvinyl chloride flooring; veneer flooring