A windrow merging implement with a pick-up, a conveyor and a connecting hitch or structure is provided in combination with a mowing vehicle, with the connecting hitch being releasably secured to a rear end of the vehicle chassis. In one embodiment, the method includes monitoring, by a client agent, information content on a client for violations of a policy. 5 to 10 parts by weight of a polyvinyl alcohol having a weight average molecular weight of at least 100,000 and being at least 95% hydrolyzed, 0. An acknowledgment of the electronic document is sent to the requestor, wherein the acknowledgment includes the payment amount.