{TAIL ~ A second fabric}, which may also be permeable and defines {HEAD ~ a second moving conveyor}, is also included 
{ TAIL ~ A second fabric } , which may also be permeable and defines { HEAD ~ a second moving conveyor } , is also included
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH