markerboards in the nature of presentation boards, graphic markerboards in the nature of presentation boards, combination boards, namely, presentation boards comprised of blackboards and bulletin boards, lapboards for reading and writing, resurfacing panels, namely, self-adhesive dry erase panels that restore old chalkboards or whiteboards, marker and chalk board accessories, namely, map rails, exhibit rails, map hooks, flag holders, map winders, seam strips for filling gaps between whiteboar...