In the closed position, {HEAD ~ a portion} of {TAIL ~ the display} is obstructed by the keyboard unit 
In the closed position , { HEAD ~ a portion } of { TAIL ~ the display } is obstructed by the keyboard unit
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH