propellers, blades, tail rotor, airfoils, piston, aerofoils, ailerons, rotor shaft, cowling, impellers, crankshaft, pintle, venturi, rotor blade, vanes, turbine, vibration, hydraulic pump, wheels, inlet manifold, sprockets, crankcases, motors, sponsons, axle, underwing, radome, afterburner, pushrods, dampers, strakes, stators, turbofan engine, torsion bar, calliper, piston rod, magnetos, splines, muffler, propellor, gearset, spindle, flanges, detents, baseplate, nozzles, gearbox, gimbals, synchromesh, valving, fenders, tailstock, electromagnets, bearings, bushing, cylinder, solenoid, pushrod, idler pulley, pinion, airflow, airbrake, calipers, turbofan, undercarriage, actuator, laminar flow, afterburning, tailplane, carburettor, sheave, sidewalls, outboard, radial, torsional, airframe, cogwheels, torque, turbojet, weldment, treadle, camshaft, stiction, engine, brake, derailleur, epicyclic, empennage, hydraulics, windings, antilock, turbos, trunnion, wheelset, pedals, winglet, rims, windblast, deflector, winch, skeg, nosewheel, rotor, turbines, cylinders, compressors, pistons, antennas, axles, rudders, spacers, alternators, coils, cams, risers, stacks, anodes, magnets

intermeshed, rotor