Accordingly, the sealing surface {HEAD ~ 30 adjacent opening} 26 is larger than {TAIL ~ the sealing surface} 40 adjacent opening 28 
is larger than
Accordingly , the sealing surface { HEAD ~ 30 adjacent opening } 26 is larger than { TAIL ~ the sealing surface } 40 adjacent opening 28
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH