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