{HEAD ~ The spacer means} is secured to {TAIL ~ the lamp member} and is in operative contact with the cover 
is secured to
{ HEAD ~ The spacer means } is secured to { TAIL ~ the lamp member } and is in operative contact with the cover
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH