The frame includes a selected number of {TAIL ~ horizontal muntins} and {HEAD ~ vertical mullions} defining a plurality of clear window openings 
The frame includes a selected number of { TAIL ~ horizontal muntins } and { HEAD ~ vertical mullions } defining a plurality of clear window openings
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH