{HEAD ~ The system} includes a lamp, a ballast, {TAIL ~ a first interface}, a storage unit, and a processing unit 
{ HEAD ~ The system } includes a lamp , a ballast , { TAIL ~ a first interface } , a storage unit , and a processing unit
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH