The window assembly includes a support system with an upper horizontal member, a lower horizontal member, and a pair of spaced apart vertical members, which interconnect the upper horizontal member and {HEAD ~ the lower horizontal member} to define {TAIL ~ a central opening} 
The window assembly includes a support system with an upper horizontal member , a lower horizontal member , and a pair of spaced apart vertical members , which interconnect the upper horizontal member and { HEAD ~ the lower horizontal member } to define { TAIL ~ a central opening }
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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL