gimbals, baseplate, trunnion, piston rod, tailstock, microswitch, actuator, inclinometer, detents, ailerons, lamella, vernier, compensator, rotator, retroreflector, lubricator, hexapod, retractor, rotor, nosepiece, gripper, collimator, slewing, handwheel, turret, triaxial, pyrometer, airfoils, pintle, monopod, dihedral, toroid, drogue, crosshead, servo, eyepiece, transducer, actuation, galvanometer, solenoid, aerofoil, rotary actuator, stators, goniometer, sponsons, torque wrench, planar, lunar excursion module, inertial navigation, electromagnet, decelerator, cryostat, deflector, gooseneck, servomotor, stiction, thyristor, ascender, interferometer, skeg, retarder, gyro, galvo, clevis, toroidal, centrifugal pump, diffraction grating, coupler, hydraulic pump, davit, flange, ultrasonics, radiometer, workpiece, telescoping, mandrels, sensor, kinematic, radome, bimetal, resonator, stiffener, magneto, variable resistor, platen, thruster, gearset, rotor shaft, cantilevers, dipole antenna, frustum, yaw, weldment, magnetron, bolometer, airbrake, drogue parachute, allen wrench, sheave, drogue chute, venturi, spherical aberration, coil, grinder, gyroscope, annulus, hexagon, layer, loop, pane, ply, ring, segment, spacer, axle, baffle, bellows, shaft, rotatable, vane, circumferential, diametrical, excentric, flagellar, freedom, hexagonal, piston, rotational, spring, torsional, vortical, winch, arm, axis, azimuth