The tubular body 122 has an open distal end 124 and an open proximal end 126 provided with {HEAD ~ an annular flange} 128 projecting outward radially from {TAIL ~ the tubular body} 122 
projecting outward radially from
The tubular body 122 has an open distal end 124 and an open proximal end 126 provided with { HEAD ~ an annular flange } 128 projecting outward radially from { TAIL ~ the tubular body } 122
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH