The structural segments are then assembled to form sub structures which are then assembled to form {HEAD ~ the completed structure} such as {TAIL ~ a geodesic dome structure} 
such as
The structural segments are then assembled to form sub structures which are then assembled to form { HEAD ~ the completed structure } such as { TAIL ~ a geodesic dome structure }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL