The deck assembly comprises a deck portion formed of a first material and {TAIL ~ a sub structure} formed of {HEAD ~ a second material} 
The deck assembly comprises a deck portion formed of a first material and { TAIL ~ a sub structure } formed of { HEAD ~ a second material }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD