{TAIL ~ An improved two tier, single felted dryer section} has an upper tier of spaced apart dryer drums and {HEAD ~ a lower tier} of spaced apart dryer drums 
{ TAIL ~ An improved two tier , single felted dryer section } has an upper tier of spaced apart dryer drums and { HEAD ~ a lower tier } of spaced apart dryer drums
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH