Finally, {TAIL ~ light box} 10 includes a programmable computer software based control system to control the operation of {HEAD ~ light box} 
Finally , { TAIL ~ light box } 10 includes a programmable computer software based control system to control the operation of { HEAD ~ light box }
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD