{HEAD ~ Desorption} of oxygen and inert gas at {TAIL ~ opposite ends} of the LiAgX bed allows the inert gas to be recovered with minimum oxygen contamination 
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{ HEAD ~ Desorption } of oxygen and inert gas at { TAIL ~ opposite ends } of the LiAgX bed allows the inert gas to be recovered with minimum oxygen contamination
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH