Recycling system

摘要

A recycling system is proposed which can retrieve reusable articles at a low cost. For example, a maker of welding wires ship the wires to a user with the wires wound on bobbins. The user sends a request for taking back empty bobbins to a center after consuming the welding wires. The center notifies a forwarder of a request for retrieval. The forwarder retrieves the empty bobbins from the user and bring them to a recycler. When the maker gives an order for empty bobbins to the center, the center notifies this to the recycler and the recycler ships the recycled bobbins to the maker.