A resin molding body has two faces perpendicular to each other, and also has a total reflecting face 23 approximately having an angle of 45\xb0 with respect to these two faces. The connector 10 comprises a base member 100 and the contacts 200 projecting upwards and downwards of the base member 100. The operating system also has a second session for the user that includes a second base process that has a second privileges token attached thereto. , Ti, Zr, and Hf, as well as low levels of Sn.