Consequently, {HEAD ~ the shutter plate} 15 can be brought into {TAIL ~ close, uniform contact} with the end face 3a of the first outlet pipe 3 thereby ensuring the prevention of leakage of the exhaust gas 
Consequently , { HEAD ~ the shutter plate } 15 can be brought into { TAIL ~ close , uniform contact } with the end face 3a of the first outlet pipe 3 thereby ensuring the prevention of leakage of the exhaust gas
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH