A common rail fuel injection apparatus for an engine is provided which is equipped with a rail pressure sensor working to measure the pressure of fuel in a common rail, fuel injectors, and a controller. Instead, an Operating Support System has to collect PM data directly from eNodeBs, thereby causing scalability issues. 38, which can convert color image information into that represented in appropriate color space for each communication methods. A ridge is formed on the body along the mating region of the cap, the ridge acting to prevent any animal from being able to insert anything under the cap when installed to pry it off. The shroud segment 14 is formed of a ceramic composite material, and includes a coating layer 15 having heat insulation and impact absorption effect on an inner surface of the segment. The system further includes a power source that provides electrical energy to the arc generator.