The packing holder has {TAIL ~ a circular protrusion} for protecting the front end of {HEAD ~ the connector housing} provided at the outer periphery of a front end of the packing holder 
The packing holder has { TAIL ~ a circular protrusion } for protecting the front end of { HEAD ~ the connector housing } provided at the outer periphery of a front end of the packing holder
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH