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