pistons, engines, igniter, turbos, spark plug, crankcases, exhaust manifold, motors, combustion chamber, furnaces, boilers, nozzles, piston rod, burners, cogs, throttle, pumps, wheels, firebox, canisters, carburetors, oxidiser, hobs, exhaust valve, carbureted, ovens, carburettors, misfiring, ignition coil, inlet manifold, tappets, brakes, combust, injector, gears, exhaust pipe, smokeless powder, solenoid, pipes, downpipe, pushrods, bedplate, supercharger, radiators, kilns, magnetos, compressed air, pintle, steam boiler, pipework, denatured alcohol, turbocharger, propellants, ignition, acetylene, compressor, valves, idler pulley, intake manifold, heaters, tanks, oxyacetylene, synchronous motor, crankshaft, sump, manifolds, intercooler, tach, automatics, retrorocket, oxidizers, dynamites, transformers, hydraulic pump, poppet valve, bogies, pushrod, hoses, axles, superheat, dynamometers, skids, hydraulic ram, stoves, overhead camshaft, briquettes, torque, cannister, bilge pump, oxyhydrogen, groove, grills, axels, camshaft, hotplates, fireplaces, firebrick, propane, diesel locomotive, dampers, tires, horsepower, cylinder, rectangles, casings, coils, wedges, arcs, bars, uprights, panels, stacks, bolts, casing, hoops, risers, shafts, slabs, spokes, 5-6, 9-10, 01, 1-3, 1-4, 1.6, 10-4, 131, 1500, 2-10, 2-3, 2-4, 2-7, 201, 26, 2c, 3-10, 3-2, 3a, 4-2

block, cylinder block, diestock, engine block, exhaust manifold, form, fuel injection, fuel injection system, inlet manifold, photomechanics, photoplatemaking, radial engine, reciprocating engine, rotary engine, supercharger