Referring to FIG 10, it is preferable to orient {HEAD ~ the ellipse} in the horizontal axis relative to {TAIL ~ the eye} 
Referring to FIG 10 , it is preferable to orient { HEAD ~ the ellipse } in the horizontal axis relative to { TAIL ~ the eye }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL