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