An improved fill valve has a pivot valve body that is pivotally suspended immediately below a float housing and is movable between two positions. A polymer material with a higher refractive index than that of the substrate is deposited within, and extends along, the channel, so as to define a waveguide. A different beverage type identifier of the plurality of beverage type identifiers is printed along each edge of the plurality of edges of the first face and of the second face. by soldering to respective conductors. The accumulator can also be connected to a control surface of the load hold valve to simultaneously open the valve and cushion the ram. The resulting implant surface showed unexpectedly high retention strength after implantation in bone.