{TAIL ~ a plurality} of anchor plates arranged in a longitudinal direction, each of said anchor plates being secured to {HEAD ~ the bottom} of a tank; and 
{ TAIL ~ a plurality } of anchor plates arranged in a longitudinal direction , each of said anchor plates being secured to { HEAD ~ the bottom } of a tank ; and
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH