Within methods and systems for computer-aided optimization of process models, defined specifications and associated release criteria are available for every work stage. Further embodiments include optical devices and systems using ILRE to reduce moir\xe9, efficiently re-direct light, improve spatial and angular color and luminance uniformity, and reduce wavelength dispersion. This invention provides an isolated nucleic acid which encodes yeast ACAT-Related Enzyme 2 Required for Viability protein, wherein the encoded ARV1 protein has the amino acid sequence set forth in FIG. In response to the memory request, the snoop controller places a snoop request on the snoop ring\u2014calling for a change in ownership of the requested memory location. As a result, the personal computer starts up by using a stable voltage. The diffusion plate is made from plastic.