A method and system for authenticating requests for accessing network resources are described. Specifically, the low flow control is permitted when the fuel in the purge vapor being drawn into the engine exceeds a calibrated percentage of the engine fuel requirement and the activation level of the purge valve has been reduced to the nominal minimum, provided that the system voltage level is at or above a specified value. The disks are focused by an optical pickup placed on the side opposite the chucking surface. In certain embodiments, at least a portion of the interior bearing surface is located between the apertures. A display region includes pixels arranged in a matrix and connected to the scan lines, data lines, emission control lines, and power lines. In preferred embodiments, this latex comprises a mixture of 2-bromo-2-nitro-1,3-propanediol and 4,4-dimethyl-oxazolidine or 2-bromo-2-nitro-1,3-propanediol and 1–3,5,7-triaza-1-azoniaadamantane chloride.