In a storage subsystem, performance tuning is performed with respect to all of the logical devices including external storage subsystems that are not directly connected to host computers. The method is accomplished by applying a topical anesthetic to the desired mucosal area by means of a novel applicator swab, comprising a handle on which is attached an absorbent material and an abrasive portion. The droplet ejection head units are configured and arranged to respectively eject a plurality of types of photo-curing inks onto the substrate with the droplet ejection head units being aligned along a direction intersecting the second direction at a predetermined pitch. The one or more servers are configured to manage information rights for a content item created by the user. These partial discharges can occur in voids, such as delamination voids, transposition crossover gaps, strand corners, slot voids, overlap voids etc.