{TAIL ~ A system} is provided for simulating {HEAD ~ an operating environment} of a power plant control room  
{ TAIL ~ A system } is provided for simulating { HEAD ~ an operating environment } of a power plant control room
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH