12 Automobiles, airplanes, boats, rail borne vehicles, ships, trucks, fork lift trucks, mobile cranes, and their components, namely, shock absorbers, coil springs in cylindrical, barrel and conical form, torsion bars, leaf and tapered leaf springs, parabolic control arms, stabilizers for vehicles and axle guides, steering shafts / steering columns, such as fixed steering columns, electrically or mechanically adjustable steering columns, reach and rake adjustable steering columns, tilt shafts, energy absorbing steering shafts, and columns-- collapsible, with corrugated tube, sliding shafts, decouplers, tube- and disk-isolators, electrical power-assisted steerings, camshafts, universal-joint cross-pins, yokes, shafts, cams, steering joint spiders, tripods, trispheres, ball hubs, pinion gears, profile shafts, spur gears and helical gears, bevel and differential gears, clutches, fluid injectors, fuel injectors, fuel pumps for land vehicles, starting fluid injectors, both electrical and manual, for injecting metered volumes of ether or the like into the intake manifold of an engine, circulating pumps, electric dip stick heaters; electric headbolt heaters; electric frost plug heaters; electric external tank type heaters; electric oil pan heaters; electric diesel engine block heater; electric battery warmers; electric radiator hose heaters; electric interior car warmers; diesel fuel powered engine and cab heaters; bus and truck cab heaters, doors, chassis and frame members, quarter panels, hoods, floor pans, aperture panels, fenders, deck lids, lift gates, roofs, assembly frames, exhaust manifolds for vehicle engines, exhaust silencers for internal combustion engines including industrial gas and diesel engines, brake hardware for vehicles, brakes for land vehicles, structural parts for vehicle engines cab suspension rockers, coupling jaws, steering knuckles for truck front, axles and trailer axles, cabs, frames, coupling jaw cross members, side members for tractors, stamped side members for light/heavy trucks, roll formed side members, cross members, frame extensions, frame head parts, bevel gear sets, differential bevel gears, bevel gears, synchronizer, synchronizer rings and cones, stub axles, brake supports, hubs, connecting rods, segments, shafts, spring brackets, wheel hubs, steering knuckles, covers for differential cases, hubs for shaft brake disks, stub axles, wheel hubs, stub shafts, gear blanks, gears, transmission shafts for manual and automatic transmissions, splined shafts, steering pinions, differential-parts, brake band drums for automatic transmissions, transmission covers, transmission housings, clutch parts, stators for torque converters, center supports for automatic transmissions, planet carriers, shift forks for manual transmissions, valve housings for automatic transmissions, timing cases for automatic transmissions, sealing flanges, housings for engine control units, housings, housing covers, cooling elements, steering gear and engine housings, radiator fan cowls, axle casings, axle parts, cross members, integral subframes, trailing arms, subframes, control arms, wheel knuckles, semi-trailing arms, cross members and tie rods, twist beam axles, front axle modules, axle brackets, brake drums, suspension brackets, rear axle housings, rear axles, side members, cross members, torque arms, front axles, front subframes, rear subframes for vehicles bodies, actuators for brakes, prototype frames and frame parts, prototype stamped chassis parts, prototype cast chassis parts, prototype body parts, pedal brackets, liftgates, engine hoods, door inner and outer panels, door assemblies, liftgate assemblies, hood assemblies, a-pillar panels, roof panels, fenders, side panels, heat shields, pillars, bumpers, braces, dash panels, floor panels, pillar reinforcements, side intrusion beams, rocker arm bearing brackets, compact holders, crankshafts, engine cradles, oil and water pump housings, oil pans, flywheels, timing cases, intermediate housings, cylinder blocks, valve covers, crankshaft pulleys, sprockets, nozzle holders, cam rings, rotors, camshaft adjusters, jet engine blades, jet engine disks, turbine parts, hydraulic jaw-type retarders, rubber retarders, grade retarders, piston retarders, small retarders, central oil-hydraulic supply units, tube ducts and tubing, axles, air suspension systems, frames, cross members, front and rear subframes, axle parts, axle assemblies, truck side rails, shock absorbers and car jacks, springs and stabilizer bars, doors, closures, hoods, lifigates, roof parts, side panels, crankshafts, cylinder heads, connecting rods, camshafts, steering columns, steering shafts, bevel and speed gears, axle drive parts, motors for automobiles