{TAIL ~ A suspended ceiling system} including a main beam formed with a vertically extending rectangular window and {HEAD ~ a pair} of cross beams intended to abut the main beam in alignment with one another at the window 
{ TAIL ~ A suspended ceiling system } including a main beam formed with a vertically extending rectangular window and { HEAD ~ a pair } of cross beams intended to abut the main beam in alignment with one another at the window
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH