Synonyms and related words :
balance, balance rudder, balance wheel, ballast, centrifuge, chuck, counterbalance, counterweight, drill, extractor, fan, fin, fixative, flywheel, governor, hairspring, impeller, jack, keel, mordant, pendulum, propeller, reel, roller, rolling pin, rotary drill, rotor, screw, shock absorber, spindle, spinner, spit, spool, springs, stabilizator, stiffening, tail plane, teetotum, top, treadmill, turbine, turntable, whorl, windmill