The lateral position of the carriage, accordingly, provides {HEAD ~ a visual indication} of {TAIL ~ the tension} in the test member 
of
The lateral position of the carriage , accordingly , provides { HEAD ~ a visual indication } of { TAIL ~ the tension } in the test member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH