A pico-cell is located within a facility. The system includes a labyrinth seal ring comprising a series of knives defining first and second labyrinth paths from an air inlet to the process side and the bearing side of the system, respectively. At least one shopping establishment kiosk cradle is employed to interface with a portable terminal which is also part of the system. The mobility management entity sends the location area information required by the UE to the UE. The method includes registering the program code in the second memory, and writing the OPC data of the optical disc to the first memory according to the program code registered in the second memory. The overhang of the second chip protrudes from the sidewall of the first chip.