{HEAD ~ The gatling plate} is made of {TAIL ~ a material} of sufficient strength and thickness to operate in the underwater environment in which it is deployed 
{ HEAD ~ The gatling plate } is made of { TAIL ~ a material } of sufficient strength and thickness to operate in the underwater environment in which it is deployed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH