A composition includes dihydroquercetin, \u03b1-tocopherol and bisabolol. An engaging hole having a predetermined shape in cross-section, which corresponds to the irregular shape in cross-section of the output portion and which makes a vibrator to be kept under a relatively non-rotatable condition to the rotary shaft, is formed in the vibrator. The method also includes selecting a candidate rule group associated with the packet flow, wherein the candidate rule group comprises one or more currently deployed rules of an existing rule group on the computing device that are currently installed within a forwarding plane and are being applied by the forwarding plane to network traffic associated with a second user. A method for patterning a device using the materials as positive or negative resists or as functional device components also is described. An end piece includes lips to prevent unwanted movement of the wood as it is held within the jaws.