{HEAD ~ Plasma} is generated within the space to cause dissociation of the hydrogen containing gas and promote a reaction between the material and hydrogen containing {TAIL ~ gas} 
{ HEAD ~ Plasma } is generated within the space to cause dissociation of the hydrogen containing gas and promote a reaction between the material and hydrogen containing { TAIL ~ gas }
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 TAIL TAIL TAIL TAIL TAIL