With reference to FIG 4, {TAIL ~ a more detailed view} of {HEAD ~ the solution adjustment} is shown 
With reference to FIG 4 , { TAIL ~ a more detailed view } of { HEAD ~ the solution adjustment } is shown
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH