{HEAD ~ The ends} of the nozzle parts 13, 14 facing the contact member 5 are guided in {TAIL ~ the groove} 12 
are guided in
{ HEAD ~ The ends } of the nozzle parts 13 , 14 facing the contact member 5 are guided in { TAIL ~ the groove } 12
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH