A system for conveying material is disclosed. Establishing acoustic data representing a set of near-field acoustic holography measurements at a first set of positions. The maximum values of parameters required for selecting the tables, paper type, screen type, color matching type, are stored in this rewritable area. The beverage holder assembly may comprise a beverage housing to support a beverage container. Extraction region determination processing is done for extracting an accurate target region by combining the main extraction region and initial region. The routing device may include a forwarding component shared by the logical routers to forward network packets received from a network in accordance with the forwarding tables.