A mailing form constructed of a single ply of substrate material which is configured such that it can be folded to form a financial document, such as an accounts payable or payroll check and check voucher, and wherein the ply is further folded to form an outgoing mailer envelope in which the financial document is enclosed for mailing to a recipient. For example, internal server processing data andor a server-side perspective of web traffic data associated with a server processing a user request may be generated server-side as tracing data. In addition, an inlet to which a pressure applying medium supplied from the outside is input and an outlet which drains the input pressure applying medium is connected to the first cylinder chamber. Then, as for the next step, the wireless terminal receives a reply from the terminal location database regarding the position information of the destination wireless terminal.