{HEAD ~ The method} comprises moving {TAIL ~ a magnetic field} through the plasma to promote resonant inductive ionization, preferably by sequentially energizing each of a plurality of coils disposed radially about the plasma volume 
comprises moving
{ HEAD ~ The method } comprises moving { TAIL ~ a magnetic field } through the plasma to promote resonant inductive ionization , preferably by sequentially energizing each of a plurality of coils disposed radially about the plasma volume
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH