This may be achieved by pre drying {HEAD ~ means}, such as a pump to provide a stream of {TAIL ~ air} after switch off of the engine 
This may be achieved by pre drying { HEAD ~ means } , such as a pump to provide a stream of { TAIL ~ air } after switch off of the engine
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH