{HEAD ~ One embodiment} of the present invention includes {TAIL ~ a lamp} mounted to and outside of the housing, preferably, on top of the housing 
includes
{ HEAD ~ One embodiment } of the present invention includes { TAIL ~ a lamp } mounted to and outside of the housing , preferably , on top of the housing
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH