{HEAD ~ The spacers} bond the substrate to the transparent counter substrate and maintain {TAIL ~ a prescribed cell gap} 
{ HEAD ~ The spacers } bond the substrate to the transparent counter substrate and maintain { TAIL ~ a prescribed cell gap }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL