The present invention relates to {HEAD ~ a device} for bleeding off and cooling hot air in {TAIL ~ an aircraft engine} 
The present invention relates to { HEAD ~ a device } for bleeding off and cooling hot air in { TAIL ~ an aircraft engine }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL