A washing tub is formed with a reinforcing body made from a non-metallic material, such as plastic or fiberglass, and a thin interior liner portion constituted by a metallic material, preferably stainless steel. A selection unit receives the first delayed signal and a second signal derived from the periodic signal. The invention further relates to methods for utilizing such oligonucleotides, polypeptides, agonists and antagonists for applications, which relate to research, diagnostics, and clinical arts. A network link, router, or other node failure initiates a new path-selection process. User’s access to the archived IP can be managed including assignment of an access level and a cost for access.