{HEAD ~ An assembly} is provided for evaporating one or more solid materials within {TAIL ~ the chamber} 14 
{ HEAD ~ An assembly } is provided for evaporating one or more solid materials within { TAIL ~ the chamber } 14
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH