{HEAD ~ The discharge energy} applied to the medium causes {TAIL ~ an expansion} of the medium, which in turn causes an expansion of the sealed container 
causes
{ HEAD ~ The discharge energy } applied to the medium causes { TAIL ~ an expansion } of the medium , which in turn causes an expansion of the sealed container
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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