19 NON-METALLIC BUILDING MATERIALS, NAMELY, BRICKS, STONES, PAVINGS, PARTITIONS; CHIMNEY ARTICLES, NAMELY, REFRACTORY MATERIALS AND FLUES; WOOD; PORTABLE GARAGES; MATERIALS FOR DECORATIVE FINISHING, NAMELY, CORNICES AND FIBERGLASS WINDOW FRAMES; CEILING DECORATIONS, NAMELY, MOLDINGS AND ROSETTES; EXTERIOR AND INTERIOR WOODWORK, NAMELY, DOORS AND WINDOWS; COVERING MATERIALS, NAMELY, TILES AND SLATES; NON-METALLIC PIPES, NAMELY, CERAMIC, EARTHENWARE AND STONEWARE PIPES FOR DRAINAGE AND SEWAGE; DECORATIVE WOOD AND SYNTHETIC DOORS; NON-METALLIC BUILDING EQUIPMENT AND NON-METALLIC SCAFFOLDS