{HEAD ~ Sensors} 112 are employed to monitor one or more thermal conditions of one or more regions or {TAIL ~ locations} of one or more of light sources 102 
are employed to monitor
{ HEAD ~ Sensors } 112 are employed to monitor one or more thermal conditions of one or more regions or { TAIL ~ locations } of one or more of light sources 102
HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH