A display device and a manufacturing method thereof are provided. The directional coupler includes a main line, a first sub line, and a second sub line. , to carbon dioxide and water, using 0. The weld portions of the blocks have a depth fusion extending at least up to a tensile region where a tensile stress of the stator core is generated. Various techniques can be used to detect the movement of the mobile leaf node. Two other motors adjust the direction the dish is facing by rotating and tilting the dish on top of the mast.