A system for reducing location-related messages in a mobile a network includes: a mobile communicator; a location server coupled with the mobile communicator and the mobile a network; and a location determiner coupled with the mobile communicator or the location server. Light-controlled electrokinetic assembly of particles near surfaces relics on the combination of three functional elements: the AC electric field-induced assembly of planar aggregates; the patterning of the electrolytesilicon oxidesilicon interface to exert spatial control over the assembly process; and the real-time control of the assembly process via external illumination. The half-buried, jet engines are mounted on a main boom fitted on the vertical plane of symmetry of the aircraft, inside the fuselage in back, of a forward main frame. The locking pawl is coupled to the lower body and is moveable between a locked position such that the upper and lower bodies are fixed relative to the one another and an unlocked position such that the upper and lower bodies are moveable relative to one another. If a change occurs in state of a category tree capable of processing an EKB identified in the EKB type definition list, a notification of the change in state is sent to an entity that uses the EKB thereby making it possible for an EKB requester to perform processing in accordance with a newest EKB.