Building materials of wood and exotic wood, namely, semi-worked woods, wall boards, decking boards; floor panels of wood; [ wooden edging tiles for floor panels; stair treads of wood; non-metal coping for swimming pools and building; fence coverings of wood; wooden borders for swimming pools; wooden borders for flower beds; ] parquet flooring of wood; systems for laying parquet flooring of wood comprising parquet flooring of wood, and rails and strips of plastic or metal materials for the fix...