handwheel, pawl, tailstock, thumbwheel, actuator, piston rod, gearset, solenoid, nosepiece, rearwards, collet, kickdown, pintle, potentiometer, pushbutton, bushing, microswitch, workpiece, compensator, chamfer, flange, actuation, commutator, clutch pedal, tappet, cogging, gear lever, shifter, trunnion, airbrake, idler pulley, splines, stators, coupler, retarder, drawbar, millivolt, crosshead, coulters, clevis, windage, sheave, bimetal, gearshift, backrest, venturi, torsion bar, toggle switch, concentricity, aileron, epicyclic, stiction, handgrip, rotary actuator, pto, dorsiflexion, torque wrench, footrest, spacers, allen wrench, variable resistor, coiler, gripper, valving, stiffener, stabilizer bar, electromotive force, ferrule, torsional, pushrods, microphonic, servomotor, windings, baseplate, camshaft, piezo, gearstick, helical gear, countershaft, locknut, fader, countersunk, backplate, aligner, knob, backspacing, diffusor, dihedral, carabineer, rollbar, sprocket, phototransistor, subminiature, tacho, swage, volute, lamella, augmenter, rotor, gooseneck, tach, angulation, swivel, conveyor, separator, vane, cam, clockwise, drum, lever, plunger, rotation, sieve, switch, atom, beam, breaker, burner, cassette, catapult, clutch, crank, springloaded, loaded, valve, actuated, actuating, axle, coned, renew, adjustable, diameter, fulcrum, hair, idler, oscillating, pallet, pin, piston

ratchet wheel

rachet, ratch, ratchet

catch, stop

click, dog