A tool is provided which includes a chuck provided with abrasive elements in the form of pellets fixed thereto. A dialog is established between terminals through the PS multimedia network. The aluminum alloy lead-frame is electroplated with a first metal electroplating layer, a second electroplating layer and a third electroplating layer in a sequence. In the Raman amplifier, pumping light from a pumping light source unit is supplied to an optical fiber through an optical coupler. There is a first actuator for rotating the body, a second actuator for translating the body, and a sealing portion on the body which seals the body with respect to an opening into a chamber adjacent the body. The TJT device includes a gate defining a channel interposed between a source and a drain formed within one of the active regions of the SOI substrate.