Panelboard, Veneer A highly specialized form of lumber processing, where logs are turned into decorative panelboard or thin veneer "finish" coats for use on furniture, in interior decorating, etc., panelboard and veneer processors depend on their cutting tools. Simonds has a long tradition in the lathe knife industry, supplying the highest quality products used to slice logs into very thin sheets that are then applied on top of other materials for a decorative finish.