This electrode may include {HEAD ~ a wire} configured to provide {TAIL ~ a generally cylindrical corona charging region} 
configured to provide
This electrode may include { HEAD ~ a wire } configured to provide { TAIL ~ a generally cylindrical corona charging region }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL