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