A system and method for synchronous and asynchronous monitoring of network resources is provided. The bit shank and the casing are rotationally connected by a number of pins received in the grooves. In one embodiment, the wale is of unitary construction and the plurality of connecting walls includes top and bottom walls which form a single chamber between the back and front walls. In some embodiments, the polymer waveguides may be bio-degradable. At least one of the first electronic output or the second electronic output is associated with a use instruction. One or two membranes may be used.