A truck tank to be carried in the bed of a pickup truck equipped with a bed-mounted hitch. The communications device includes circuitry for processing signals communicated to and from the antenna structure. 1 form an input of the amplifier to an output of the amplifier and a second amplifier part 30. These files may assist a user in the creation of required documentation. The method comprises adding to an aqueous system a polymer having repeat units characterized by the Formula I: .