A distributed application system has a plurality of applications running on a plurality of servers arranged hierarchically and, when receiving a request telegraphic message from a client, executes processes while transferring a relay code between applications in order. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. The arm may include a first threaded portion, and the intermediate member may include a second threaded portion coupled to the first threaded portion. There is provided with a gas circulation loop having a quenching tower 10a,10b and cooler 12a, 12b which eliminate dust contained in the exhaust gas of the reactor, and having a preheater 15a, 15b for heating the gas, wherein the exhaust gas is returned to the chamber by way of quenching tower, cooler and preheater. The stent can be shot peened, laser peened, andor ultrasonically peened, thereby reducing surface abnormalities, improving surface appearance, andor increasing fatigue life of the device. The compliant sealing assembly may include a sealing groove positioned about the slot and a compliant seal positioned about the sealing groove.