FIG 3 is a cross sectional view of a portion of {HEAD ~ orifice ring} 12 showing {TAIL ~ the attachment} of cuff 20 to ring 12 in greater detail 
showing
FIG 3 is a cross sectional view of a portion of { HEAD ~ orifice ring } 12 showing { TAIL ~ the attachment } of cuff 20 to ring 12 in greater detail
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH