The method further includes the steps of introducing a hydrogen containing gas into a space in the chamber between the first and second electrodes and causing {HEAD ~ the vapor} to pass through the second electrode and into {TAIL ~ the space} between the electrodes 
The method further includes the steps of introducing a hydrogen containing gas into a space in the chamber between the first and second electrodes and causing { HEAD ~ the vapor } to pass through the second electrode and into { TAIL ~ the space } between the electrodes
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH