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