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