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