The transporter vehicle 2, wherein {HEAD ~ the interface portion} is coupled to {TAIL ~ a top surface} of the sub structure 
is coupled to
The transporter vehicle 2 , wherein { HEAD ~ the interface portion } is coupled to { TAIL ~ a top surface } of the sub structure
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH