A wet laid watermark of uncoated paper is simulated by {HEAD ~ the use} of {TAIL ~ a resin or resin plasticizer mixture} dissolved in a slow evaporating, high boiling solvent 
A wet laid watermark of uncoated paper is simulated by { HEAD ~ the use } of { TAIL ~ a resin or resin plasticizer mixture } dissolved in a slow evaporating , high boiling solvent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH