The major conduit portion 34 comprises a steel pipeline formed by {HEAD ~ numerous lengths} of {TAIL ~ steel pipe} 
of
The major conduit portion 34 comprises a steel pipeline formed by { HEAD ~ numerous lengths } of { TAIL ~ steel pipe }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL