The male and {HEAD ~ the female connectors} have {TAIL ~ a guiding means} for guiding the connectors to correctly mate with each other 
have
The male and { HEAD ~ the female connectors } have { TAIL ~ a guiding means } for guiding the connectors to correctly mate with each other
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH