As seen in FIG 4, {HEAD ~ central section} 16 is at an oblique angle to {TAIL ~ the parallel extended end sections} 12, 14 
As seen in FIG 4 , { HEAD ~ central section } 16 is at an oblique angle to { TAIL ~ the parallel extended end sections } 12 , 14
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH