A bale forming apparatus and a bale forming method form cylindrical bales. The system includes an inventory database for storing inventory information about assets located at an insured property, a communication interface for receiving registration and operational data associated with an IP-addressable device, and a business logic computer. The switching device preferably contains a demultiplexer and also a multiplexer. The grafted chains are attached to the solid support through a ring-opened azlactone group.