{TAIL ~ This operating mode} is also referred to as {HEAD ~ the cold air turbine mode} which is implemented close to the engine idle speed 
{ TAIL ~ This operating mode } is also referred to as { HEAD ~ the cold air turbine mode } which is implemented close to the engine idle speed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH