A vibration-dampening polymeric sleeve is provided for installation within the tubular receiver extension of an AR-10 derivative assault rifle before the action spring and buffer are installed therein. It is expected that renal neuromodulation may, among other things, reduce expansion of an acute myocardial infarction, reduce or prevent the onset of morphological changes that are affiliated with congestive heart failure, andor be efficacious in the treatment of end stage renal disease. The retardation film is for use in a liquid crystal display element having pixels, each pixel being a triad of red, green and blue display sections, and the liquid crystal layer has a plurality of fine areas that have been created, by patterning, correspondingly to the display sections of the pixels in the three colors. The third actuators then draw the first sliding unit and the second sliding unit together thereby drawing the rails together. If the percentage of time that the energy level of the signal is above 99%, then a tornado warning may be generated. When the switch unit is in the first configuration, the enable signal is provided to the first memory unit to start the first basic inputoutput system.