A novel label may be used in a novel sterilization tracking system. The crystal of the matrix substance in the film layer is very fine and uniform. A request is transmitted to a server for a list of shared folders associated with the second entity, in response to an option to view shared folders associated with the second entity being selected. Yet another method of manufacturing a penetrator from a blank includes the steps: machining the blank to create a first surface feature of the penetrator; and roll forming the blank to create a second surface feature of the penetrator. Single detector measurements has increased light sensitivity which is utilized to pattern the illumination and further enhance the information content of detected scattered radiation with respect to predefined metrology parameters. With this arrangement, a light-emitting element having good light emission characteristics in-a pixel is provided.