leading edge, trailing edge

airfoil, strakes, dihedral, sponsons, chamfer, ailerons, swage, splines, flanges, venturi, inlet manifold, lamella, pintle, laminar flow, underwing, airbrake, rotor shaft, piston rod, torsion bar, vanes, countersink, gimbals, torsional, cantilevers, deflector, skeg, nosepiece, radome, trunnion, bimini, conic, sidecut, rotor, rearwards, curvatures, diffusor, corrugation, tailplane, sheave, calliper, soleplate, tailstock, transonic, toroidal, platens, bedplate, stiffeners, frustum, fin keel, handwheel, helical gear, convex lens, centreboard, capstan, pushrod, deckhouse, flexural, ellipsoid, concave, toroid, crosspieces, waviness, cowling, diffraction grating, empennage, radiator grille, microswitch, chines, busbar, pushrods, actuator, volute, vernier, airflows, gearset, crosshead, furling, tubercles, serrations, winglet, geometries, impeller, crossbeams, baseplate, tonneau, bushing, louver, roofline, sponson, keyways, crankcases, augmenter, parabolic reflector, rollbar, piston, steerer, idler pulley, sidewalls, coiler, valving, upstroke, underfloor, airfoils, triode, nozzle, rectangular, solenoid, transistor, aerial, burner, rectifier, fet, magnet, sine, aerofoils, carburetor, chromatogram, coil, diode, electromagnet, fio

aileron, elevator, flap, flaps, horizontal stabilizer, rotary wing, rotor blade, rudder, spoiler, stabilizer, vertical tail, wing

device

control surface, surface