{TAIL ~ The method} further includes the steps of introducing a hydrogen containing gas into {HEAD ~ 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 
{ TAIL ~ The method } further includes the steps of introducing a hydrogen containing gas into { HEAD ~ 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
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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