A user controlled ornamental panel or window, which is useful for {TAIL ~ a number} of applications in which the degree or {HEAD ~ amount} of light passing through the panel is to be controlled 
A user controlled ornamental panel or window , which is useful for { TAIL ~ a number } of applications in which the degree or { HEAD ~ amount } of light passing through the panel is to be controlled
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH