tive view of the retainer strip constructed within a cabinet frame; FIG. 4 is top plan view of the substrate material and routing machine; FIG. 5 is a sectional view of an elongated strip of substrate material; FIG. 6 is a sectional view of an elongated strip of substrate material after the edges have been shaped; FIG. 7 is a sectional view of a laminated elongated strip of substrate material cut