A method of manufacturing a side frame mold for casting a side frame of a railway car truck includes forming a drag and a cope portion of a mold from a casting material to define an exterior surface of a drag portion and cope portion, respectively, of the side frame. By utilizing the comb teeth, operations of scraping an unnecessary dye off a brush or the like and settling the shape of the brush portion or the like can be facilitated, and hair, dust and the like attaching to the brush or the like can be removed without contaminating hands. The rendering apparatus also has access to local content. The SOI layer is patterned to form an active layer pattern to a certain direction. Required authentication exchanges and required encryption key exchanges facilitate the secure communications.