A.Exhaust valve of a diesel engine
B.Blades of a steam turbine
C.Flywheel of a petrol engine
D.Piston of an air compressor
E.Shaft of a centrifugal compressor
A.Exhaust valve of a diesel engine
B.Blades of a steam turbine
C.Flywheel of a petrol engine
D.Piston of an air compressor
E.Shaft of a centrifugal compressor