{TAIL ~ The second layer} is applied to {HEAD ~ at least a portion} of the first layer and contains a second polymer 
{ TAIL ~ The second layer } is applied to { HEAD ~ at least a portion } of the first layer and contains a second polymer
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH