{HEAD ~ A process} for forming {TAIL ~ a thin film} of amorphous silicon of a uniform thickness on a relatively large glass plate 
for forming
{ HEAD ~ A process } for forming { TAIL ~ a thin film } of amorphous silicon of a uniform thickness on a relatively large glass plate
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH