This device will be available to the pool owner to clean the surface debris from a pool on a twenty-four hour seven day a week basis. The compound is useful in the treatment of a diseasecondition in which modulation of chemokine receptor activity is beneficial. The reactor is operated for a sufficient time, and pulse times are selected for the carbon containing precursor and the titanium containing precursor, to form a titanium carbide layer of a desired thickness and workfunction on the substrate. A plurality of casings are arranged side by side with their windows facing the workpiece to be irradiated. The bottom of top portions of the supports are adapted to engage or slide fit into the bottom and top walls so as to mate with the walls and provide support to the elongated housing bottom and top walls. The present invention further relates to weight loss or stimulant compositions comprising one or more alkali metals.