A node representing a network element is provided. Signals used in underwater acoustic telemetry applications are capable of being generated through the linear optoacoustic regime conversion process. The bracket is in turn adapted to be attached to a spring clip welded to a motor casing. Further, an instruction is used to find the index of the first termination character, e. The resulting targeting pattern includes laser beam spots that frame the field of view of the symbology reader, and the laser beam spots on the laser axes frame the optical center of the target. The surface treatment agent is used for filling stair-steppings on a model surface, mainly comprising base resin which is cured by physical action and microparticles which have good wettability to the base resin and have a particle diameter equal to or smaller than the stair-stepping.