As will be described below, {HEAD ~ the position} of pointer 16 relative to scale 4 indicates the tension in {TAIL ~ wire} 1 
As will be described below , { HEAD ~ the position } of pointer 16 relative to scale 4 indicates the tension in { TAIL ~ wire } 1
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH