The projecting parts include four parts 127 at the four corners of the rectangular flange, and {HEAD ~ two vertically elongated projecting parts} 128 at {TAIL ~ the laterally opposite sides} of the flange 
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The projecting parts include four parts 127 at the four corners of the rectangular flange , and { HEAD ~ two vertically elongated projecting parts } 128 at { TAIL ~ the laterally opposite sides } of the flange
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH