{TAIL ~ The closure track} may force {HEAD ~ the movable window panel} and the fixed window panel closer together, thereby, placing the seal member under compression 
{ TAIL ~ The closure track } may force { HEAD ~ the movable window panel } and the fixed window panel closer together , thereby , placing the seal member under compression
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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