{TAIL ~ The control system} uses the output of {HEAD ~ the subareas} for controlling the luminaire light output 
{ TAIL ~ The control system } uses the output of { HEAD ~ the subareas } for controlling the luminaire light output
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH