{HEAD ~ The apparatus} is arranged at an exit where {TAIL ~ a workpiece} leaves a plating chamber 
{ HEAD ~ The apparatus } is arranged at an exit where { TAIL ~ a workpiece } leaves a plating chamber
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH