Base 32 includes {HEAD ~ flange} 42 as shown in FIG 6A formed by bending a flat piece of {TAIL ~ sheet metal} 
Base 32 includes { HEAD ~ flange } 42 as shown in FIG 6A formed by bending a flat piece of { TAIL ~ sheet metal }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL