A paper machine fabric comprising at least two machine direction yarn systems, which are bound together by means of a binding yarn system. These characters initially engage prospective customers on a network platform, such as a social network, and persist over time across other network platforms to educate consumers until they are ready to purchase\u2014from their \u201ctrusted advisor\u201d\u2014particular products and services offered by various providers. As a result, even if there is a difference between a transmission path from the sending side to the receiving side and a transmission path from the receiving side to the sending side, the IP network communication apparatus can determine the transmission path delay with a high degree of accuracy. At least one workflow instance is selected from a set of workflow instances. The clamp mechanism is pivotally attached to the edges of the lower panel to position the two panels horizontally when the extension is attached to a sloped surface, or to position the two panels at an oblique angle, if desired.