A method for implementing load migration in a pool area is disclosed. The high-frequency circuit includes an amplifying block 10 in which an amplifying element 11, a choke inductor 12, and a by-pass capacitor 13 are provided, and an amplifying block 20 in which an amplifying element 21, a choke inductor 22, and a by-pass capacitor 23 are provided. 5 to 100 parts by weight of a silica; and 0. In response to receipt of the query, the data event agent stores the query in memory in order to continually filter additions and modifications to data records against the one or more filter criteria included in the query. The dial is operably connected to the jaws via the distractor rods such that rotation of the dial effects movement of the pairs of jaws between approximated and distracted positions.