An exemplary alignment apparatus can align a first layer with a second layer. Also provided are methods for screening for modulators of these PXR receptors and using these receptors for comparative pharmacology and in selection of appropriate preclinical animal models predictive of human PXR activity. The finishes are applied to a substrate to produce a finish that may be modified following application. The light transmission control elements divide the optical conductor into independently operable light emitting regions. Upon a cache miss, new data is inserted at the top position of the first buffer, extra data from the bottom of the first buffer is migrated to the top position of the second buffer and extra data from the bottom position of the second buffer is migrated to the top position of the third buffer. The terrain advisory envelope is distinguished from TAWS cautions and alerts with a graphical appearance that differs from the graphical appearance of TAWS cautions and alerts.