A needle guide for decreasing the incidence of needle injury to an operator who is accessing the interior of a container, such as a medical fluid container, by an accessing device, such as a syringe with a needle attached to the distal end of the syringe. The container includes a fillable bladder in an interior of an enclosure of the container. In the present invention, the wiring layer can be formed through the insulating film in contact with the metal base at the openings in the insulating film and in contact with the insulating film where there are no openings in the insulating film. The information from the index cards is utilized in constructing the central catalog so that more accurate search results may be generated for search queries applied to the catalog, so that the search results may be ranked in meaningful ways, and so that web sites may be more accurately rated. Because of the spatial fluctuation in the band gap, the percentage of luminous recombinations of electrons and holes is increased.