A lead free free-cutting steel is described having the following composition in percent by weight: C 0. The image-forming apparatus includes an image carrier and a plurality of holders. Methods of using the agents or antibodies, such as methods of using the agents or antibodies to inhibit Wnt signaling andor inhibit tumor growth are further provided. The present invention further provides a method of producing a packaged liquid edible product containing probiotic bacteria and ginseng polysaccharides in the aforementioned amounts. The control unit is arranged in the vicinity of the operation unit.