A system and method for providing variable power is disclosed. These legs extend along a longitudinal axis of said joiner clip. In case a package is exchanged or newly installed or in case a package fails, the event information is stored in the nonvolatile memory of the package in correspondence with the packaging position information of the package in the storage system, so that this event information can be accessed at any time. A process producing elastomeric spunbonded nonwoven fabrics which utilizes the activation by incremental stretching of the strands is also provided.