{TAIL ~ Compressor} in an exhaust gas turbocharger of an internal combustion engine and method for operating {HEAD ~ the compressor} 
{ TAIL ~ Compressor } in an exhaust gas turbocharger of an internal combustion engine and method for operating { HEAD ~ the compressor }
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD