An anhydrous inorganic gel-polymer electrolyte is prepared using a non-aqueous sol-gel process. The closure device comprises further a separate locking member which in inserted into the tubular member and with such a shape that the closure device can be locked in the second configuration. , interconnect metallization in semiconductor device structures, as an adhesive seed layer for plating, for the deposition of a thin-film recording head and for circuitization of packaging components. A user can wiggle hisher body to tilt the board body of the skateboard and laterally swing the front roller unit so as to control and move the skateboard forward. The shielding plate is embedded with the terminal module assembly and the grounding fingers of the shielding plate are fixed with the insulator of the terminal assembly. The polymeric fibers of these fiber layers have diameters greater than one micron and collectively define interconnected interstitial spaces providing tortuous fluid flow paths through the first and second fiber layers.