Disclosed are several methods, apparatus, and a system for providing diabetic symptom relief through a laser based medical instrument. The flash memory chip has a plurality of physical blocks. The round hole portion supports one boss portion in both the longitudinal direction and the lateral direction of the light guide. The computer applies the same algorithm to the vectors to calculate new vectors, each defining a surface normal at a corresponding one of the new vertices. At least two interconnect plates are contacted by a high-temperature bypass diode that is physically integrated in the fuel cell stack.