furniture and equipment designed to hold and support audio, visual and audio-visual electronic equipment; namely, stands, tripods, racks, tables and structural parts thereof and telescoping clamps sold as component parts of each of the aforesaid items

furniture designed to hold and support lighting, lights, and lighting controls; namely, stands, tripods, racks, tables and structural parts thereof and telescoping clamps sold as component parts thereof; furniture; namely, multi-purpose stands, tripods, racks, tables and structural parts thereof and primarily non-metal telescoping clamps sold as a component sold as component parts thereof; telescoping clamps comprised primarily of non-metallic materials