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