A system for creating and editing checks for a knowledge automation engine to use in detecting product issues on products. The term \u201cthin-film semiconductor laser\u201d, as used herein, refers to a semiconductor laser having a p-i-n structure, in which the thickness of the p-layer is no more than 10 times the thickness of the n-layer, or the thickness of the n-layer is no more than 10 times the thickness of the p-layer. The body of the leg attachment project upward above the cuff of the main outer sock. The robotic arms are coupled to a pair of master handles by a controller. The transmissionreception controller decides the timing at which the transmission of the various signals will begin, and how long the transmission will last, on the basis of the reception timing specified by the reception specifier. Particularly, the present invention relates to a shaving razor with a handle with a shaving razor head at each of opposite ends of the razor handle.