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