engines, pistons, hydraulics, servomotor, impellers, hydraulic pump, propellers, crankcases, stators, tachometers, brushless, inlet manifold, turbos, synchronous motor, electric motor, carburetors, servo, carburettors, actuator, propulsion, carbureted, windings, inverter, alternator, solenoid, wankel engine, compressor, pushrods, centrifugal pump, dynamometers, rotor, supercharger, ignition coil, cylinder, magnetos, camshaft, turbine, reciprocating engine, outboard, thyristor, radiators, commutator, blowers, sprockets, pneumatics, pushrod, valves, generators, drivetrain, diesel engine, gearbox, mufflers, permanent magnet, hydraulic ram, transformers, manifolds, rotary actuator, aerofoils, exhaust system, flywheel, synchromesh, electromagnets, torque converter, nozzles, rectifiers, turbocharger, venturi, turbogenerator, tappets, dampers, horsepower, crankshaft, hydraulic brake, idler pulley, internal combustion, airfoils, coiler, rpms, piston rod, pintle, chassis, handwheel, retarder, coils, epicyclic, axles, ecus, compressed air, gaskets, tubeless tire, heaters, outboard motor, bevel gear, boilers, sheave, turbofan engine, wiper motor, helical gear, propeller shaft, gearset, countershaft, housings, motor, turbines, compressors, machines, alternators, furnaces, hoists, locomotives, pumps, dynamos, vibrators, contactors, diesels

bimotored, hypercoaster, motored, motorisation, motorised, motorization, motorized, spurious correlation, trimotored