wherein the first and second adhesive strips and {HEAD ~ the Y site identification element} are marked with {TAIL ~ matching identification symbols}, further wherein the Y site identification element comprises a sleeve with an axial slit and an extension marked with an identification symbol, and further wherein the sleeve is shaped and dimensioned to fit over and to conform to the exterior surface of the Y site 
are marked with
wherein the first and second adhesive strips and { HEAD ~ the Y site identification element } are marked with { TAIL ~ matching identification symbols } , further wherein the Y site identification element comprises a sleeve with an axial slit and an extension marked with an identification symbol , and further wherein the sleeve is shaped and dimensioned to fit over and to conform to the exterior surface of the Y site
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH