An energy-absorbing padding includes multiple stacked base layers, each of which includes a plurality of projecting, hollow, hemispherical or dome-shaped impact-absorbing elements defining respective convex impact surfaces. Also, even if a connection request is decided to be sent to the IP network 2, the VOIP gateway 50a sends the connection request to the PSTN 1 when the IP network state judgment unit 56 judges that the communication through the IP network 2 is impossible. The manipulator further includes a lift unit, which is installed in the air cleaner to move the rotary manipulation unit between the first position and the second position. After the silicon dioxide film is formed, a contact layer is formed over the ruthenium layer and the exposed portions of the substrate to complete the base. A common base plate can incorporate lower portions of the stage vessels and the sides and roofs of the transfer tunnels, the bottoms of the vessels and tunnels optionally being provided by the gas distributor plate. Each of the contacts includes an insulation displacement section, and at least one stuffer is slidably mounted to the housing and configured to engage a primary wire to more than one of the insulation displacement sections.