A method of adding optical proximity correction, OPC, to a base pattern is described. A hole that is formed in a side wall having a light shielding property and capable of visually recognizing the inside of the medium path on the upstream side from the transportation mechanism in a transportation direction through the inside of the medium support section is provided in the medium support section. A spacing between the strips is small to inhibit electric field from passing the metal strips to the substrate material. When the user obtains embedded content from the cached web page via the hyperlink, the identifier is also sent to the server. The ramp surfaces are constructed with both removal and installation ramp portions. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener.