a mechanical device for engaging and disengaging gears
a rigid bar pivoted about a fulcrum
a simple machine that gives a mechanical advantage when given a fulcrum
a flat metal tumbler in a lever lock
set the level or character of
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
