The housing may have an interior in or through which the point of {TAIL ~ contact} may be accessed and an anterior opening for access to {HEAD ~ the interior} 
The housing may have an interior in or through which the point of { TAIL ~ contact } may be accessed and an anterior opening for access to { HEAD ~ the interior }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD