A pontoon including a generally elongated shell. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. The second elastic strip member supplied toward the second spindle portion side roller of a second oscillating arm is subsequently put around an outer circumferential face of a second spindle portion side roller and an outer circumferential face of the second oscillating end side roller of the second oscillating arm. The methodology may provide notification of delivery of data to intended targets using the communications network. The first and second vortex nozzles impinge the first and second rotating fluid flows in a collision chamber, thereby treating the fluid. A non-crystal layer of a nitride-based compound semiconductor is formed.