Rebuilding a storage device after failure of a storage device is disclosed. A communication interface establishes communication between the controller and at least one of the plurality of types of an inputoutput expansion module. The second thermal interface material layer is comprised of a thermal interface material having a high electrical conductivity and a high thermal conductivity. A summary icon summarizes the overall state of a video call by indicating the color or graphical information of the video device of the video call that has the problem of greatest concern. The spray conditions are controlled in such a manner that the individual metal droplets forming the metal streams remain substantially segregate. Also, an apparatus for carrying out the process and a product obtainable by the process.