Once in {HEAD ~ the ducts} of {TAIL ~ the structure}, the strands are anchored and post tensioned as a tendon to develop the desired stress 
Once in { HEAD ~ the ducts } of { TAIL ~ the structure } , the strands are anchored and post tensioned as a tendon to develop the desired stress
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH