{TAIL ~ Such an unstable sheath} in a working width of any length is then pulled onto a stable screen drum 11 to which {HEAD ~ a coarse screen fabric} 12 has already been applied to provide a space between wall 5 and screen drum 11 
{ TAIL ~ Such an unstable sheath } in a working width of any length is then pulled onto a stable screen drum 11 to which { HEAD ~ a coarse screen fabric } 12 has already been applied to provide a space between wall 5 and screen drum 11
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH