A portable, battery-powered sprayer for dispensing two liquid products at the same time includes first and second nozzles which receive first and second liquids and first and second air supplies. The stabilizing device is centered over the medial aspect of the quadruped stifle joint. If the destination channel has an associated curve, then the system can use the values from that curve when hopping to a new channel. First, the frequency of a horizontal sync signal is multiplied to generate an operating clock signal, wherein the horizontal sync signal is synchronized with the source image frame. A method for forming plastic parts using the skin resin and foam resin of the present invention is provided.