What is crucial for {TAIL ~ the proper sealing behavior} of the connection is {HEAD ~ the above mentioned all around continuous design} of the sealing faces, since, in addition to the actual closure, these form one or more high quality labyrinth seals with minimal leakage losses 
What is crucial for { TAIL ~ the proper sealing behavior } of the connection is { HEAD ~ the above mentioned all around continuous design } of the sealing faces , since , in addition to the actual closure , these form one or more high quality labyrinth seals with minimal leakage losses
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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