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