The invention modulates the air volume in foam cores of cushioning support devices and any other support apparatus using foam or similar materials. Either the failure sequence or the full-length oligomer may be polymerized. By providing a specific implementation solution of inquiring the local access gateway, the disclosure ensures selection between the core network gateway and the local access gateway according to a respective scenario, thus properly and effectively implementing the local access function implemented by the user terminal through the local access gateway. More preferably, the connector also has a microphone and microphone activation button thereon. The present invention furthermore relates to processes for the preparation of these polymers, to the use of these polymers in electroluminescent devices and to electroluminescent devices comprising these polymers. In one embodiment, a specially-configured Reject Encoding Machine is employed to label or over-label a POSTNET clear zone, resolve the destination address if possible, and print the barcode in a single operation.