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