An electric contact structure adopted for an LED comprises a nitride middle layer and an N-type metal electrode layer. % or more; a carboxy-containing resin having a hydroxy value of more than 80 mgKOHg but not more than 200 mgKOHg; a curing agent; and a coloring pigment, and having a solids content of 60 wt. The chambers are supplied with the liquid from the liquid room and include nozzles for ejecting the supplied liquid in a droplet state. The process may assess noncontiguity on a bit-by-bit basis or, to reduce the number of operations, on a byte-by-byte basis. The system uses a software \u201ccookie\u201d to convey instructions to the first component so that it can automatically connect to the appropriate page of each payer’s web site.