{HEAD ~ Such inductive ionization} is enhanced by {TAIL ~ a relatively slow moving magnetic field}, which promotes resonant ionization and ion beam homogenization 
is enhanced by
{ HEAD ~ Such inductive ionization } is enhanced by { TAIL ~ a relatively slow moving magnetic field } , which promotes resonant ionization and ion beam homogenization
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH