An AV data recording apparatus and an AV data recording method are provided, in which even in the case of using the UDF file system, seeking can be minimized. The application services gateways are elements in a services delivery system that execute application programsservices that control or otherwise interact with systems and devices of a home or business such as a heating and cooling system or a security system. A second series of mixing elements are disposed within the conduit and configured to divide the stream in a second direction different from the first direction. The cutting insert includes a blind hole extending from a bottom surface. Some implementations are environmentally-neutral.