Systems andor methods are provided that facilitates revealing assistance information associated with a user interface. The class-D amplifier includes a low pass filter. an isocyanate-reactive component having at least one compound having the following formula: wherein X, Y, R1, R2, m and n are described in the specification, and c. The mounting foot can be fixed at positions along the linear track allowing the cabinet to be mounted at different position relative to the support structure. The adhesive exhibits a lower than expected adhesion to coated papers without sacrificing the adhesion to standard uncoated papers and preferably, the 90 peel adhesion, as measured on Kromkote paper is in the range of 20 to 250 gramsinch.