A modified laryngeal mask airway device is provided with means to improve ease of insertion, reliability of function and higher seal pressure. The method includes accreting at least portions of the activating particles onto surfaces of the oxidizable particles by mechanically induced juxtapositions to form composite particles; and abrading the composite particles to more evenly distribute the activating component over surfaces of the activating particles. The PDUs may then be sent to the client on a separate lossy link instead of the lossless link. The invention employs in addition a fourth field-effect transistor whose source-drain path is circuited between the output of the voltage follower and the drain of the third field-effect transistor and whose gate is connected to the gate of the third field-effect transistor. In an interior parts mount process, interior parts are to the floor structure to make a floor unit. The ways are mathematically sound in that they can be extended to a theoremproof format.