The purpose of this invention is to provide a packaging method and a packaging device in which a loading work and an unloading work for a packaged item performed by an operator can be reduced, a longitudinal length of the device can be made short and it can be manufactured in less-expensive manner. The radioactive substance absorber comprises carbon in various forms and configurations. The surface areas determined for each region are summed to determine the surface area of the fastener. Communications between Bluetooth\xae hosts may occur over interfaces different from the Bluetooth\xae host controller interfaces.