A crystal constituting a dielectric porcelain, comprised of a first crystal group composed of crystal grains of 0. In a preferred embodiment, the stent-graft is located and expanded within a blood vessel to repair aortic aneurysms. The connecting device then connects vehicular circuits of an electric vehicle including those for auxiliary equipment to a battery-carrying trailer which is to be mechanically attached thereto and allows the electric vehicle to either extend its range, or be rescued from power shortage by electricity supplied by other than batteries onboard therein. An application provider can tag the composite file with the version information and other useful meta-data of the files for the application. The dried soybean material is fully functional and has substantially no off-flavor.