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