19 BRICKS FOR WINDOW SILLS, FRONT PLATES FOR BUILDINGS, FRONT STRIPS FOR BUILDINGS, WINDOW THRESHOLDS, KILN TILES, CERAMIC TILES, COVERS AND COVER CORNERS, STRIPS, COLUMNS, PILLARS, BARS, PIPES, ROOF-TILES, ROOF PLATES FOR GREENHOUSES AND HOT BEDS, GLASS PLATES TO COVER ROADS; NON-METALLIC PARTITION WALLS FOR PUBLIC TOILETS; TILES OF CERAMIC, CRYSTAL AND GLASS