As noted above, {HEAD ~ the sliding pane} of window assembly 10 may incorporate {TAIL ~ a drive system} to power the sliding pane 
incorporate
As noted above , { HEAD ~ the sliding pane } of window assembly 10 may incorporate { TAIL ~ a drive system } to power the sliding pane
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH