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