6
metallic frames, tubes, housings, extrusions, channel beams, spans, decking, deck plates, panels, poles and cross-members, levelers, clamps, screw locks, capping, cap locks, stairs and railings; metallic fixed and free standing interior and exterior partitions and partition structures; metallic theatrical and performance stages and stage structures
19
fixed and free standing single and multi-level modular structures, kiosks and shelters, exhibit, display, and trade show presentation structures; product displays and racking; lighting and audio-visual system supports; motion structures, lifting platforms and turntables; and signage, displays, back-lit light boxes and edge-lit light boxes for advertising, promotion, and information purposes and parts for all the foregoing, namely, non-metallic frames, tubes, housings, extrusions and channel beams, spans, decking, deck plates, panels, poles and cross-members, levelers, clamps, screw locks, capping, cap locks, stairs and railings, fixed and free standing interior and exterior partitions and partition structures; theatrical and performance stages and stage structures