A method for identity mapping across web services uses a delegated authorization protocol, such as OAuth. Each of the mold gates on the substrate is electrically connected to the first copper-mesh layer on the periphery of a top side of the substrate. The method and apparatus further includes a first memory device storing a plurality of instructions wherein each of the plurality of instructions includes a plurality of extra bits. The plurality of systems file modification of the host system may be made by the application installation in the virtual execution environment. Thus, it is possible to suppress a stray capacitance between the first IDT and the second IDT, and thereby to improve the symmetry of balanced operation signals. After the water hose is pulled out by a certain length and the water flows therethrough, the water pressure makes the pulled out section of the water hose expanded into a circular tubular shape for a user’s hand to easily hold.