19 Modular display and storage rooms for construction on site consisting of ceiling trusses, ceiling tiles, modular wall sections, vertical standards, horizontal track and support members, shelving, electrical power outlets, data ports, workstations, conduits for electrical wiring, sinks, electrical lights, light lenses, door frames, doors, window frames, windows, pass-through frames, security shutters, ceiling security grids, counters, cabinets, storage bins, gravity-feed dispensers, drawers, pegboard and decor wall panels all sold as a unit; signage, namely, non-luminous, non-mechanical, and non-metal signs