{HEAD ~ The braking means} comprises a plurality of disks kept in {TAIL ~ frictional contact} by at least one axially elastic element 
{ HEAD ~ The braking means } comprises a plurality of disks kept in { TAIL ~ frictional contact } by at least one axially elastic element
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH