{HEAD ~ a bonding material} joins the shell and the metallic sleeve, the bonding material including {TAIL ~ an ETFE powder} and an elastomer 
{ HEAD ~ a bonding material } joins the shell and the metallic sleeve , the bonding material including { TAIL ~ an ETFE powder } and an elastomer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH