An aspect of an inspecting apparatus includes a profile measuring part measuring a profile of an object surface and an image detecting part detecting a light intensity distribution of the object surface by illuminating the object surface from mutually different plurality of directions. One end of the shaft has a opening extending longitudinally into the shaft. The inner diameter of the cyclone body is increased as approaching a height near the top end of the outlet pipe from the bottom wall of the cyclone body. Table entries may move from one deduplication table to another as the probabilities change. If so, a controller of the server makes the selected document storing apparatus output the document. A status for multiple routers can be obtained, comprising a difference between the quantity of the first and second packet counts, and indicating a warning in response to at least one of the plurality of router status being less than the predetermined value.