engine is part of:

engine contains:
    80%  nacelle
    80%  turbine

Full expansion for engine:
   100%  2x2 Plate w/Bottom 1x4 Grille Engine
    90%  1x2 Plate w/ Smooth Round 1x4 Engine
    90%  1x2 Plate w/ Tri-Rocket Engines
    90%  2x5x2 Strut w/ Sleek Conical Engine
    80%  2x2x3 Jet Engine Turbine w/ Axle
    80%  2x2x4 Cone/Cylinder Jet Engine Shell
    10%  2x2x1.3 Round-Top Brick w/ Top Studs