a first orifice positioned on {HEAD ~ said housing cap} engaging {TAIL ~ said first step} for preventing movement of said housing cap relative to the housing during removal of said plug cap from the plug; and 
engaging
a first orifice positioned on { HEAD ~ said housing cap } engaging { TAIL ~ said first step } for preventing movement of said housing cap relative to the housing during removal of said plug cap from the plug ; and
OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH