#bar.artifact  a rigid piece of metal or wood; usually used as a fastening or obstruction of weapon; "there were bars in the windows to prevent escape"
  supertype:  #implement  instrumentation (a piece of equipment or tool) used to effect an end
  subtype:  #belaying_pin  a wood or metal bar to which a rope can be secured (as on a ship or in mountain climbing)
  subtype:  #deadbolt__bolt  the part of a lock that is engaged or withdrawn with a key
     subtype:  #safety_bolt__safety_lock  a bolt that cannot be moved from outside the door or gate
  subtype:  #bolt.bar  a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech
  subtype:  #carpenter's_level__carpenter'slevel  a straight bar of light metal with a spirit level in it
     subtype:  #plumb_level__plumblevel  a carpenter's level with a plumb line at right angles to it
  subtype:  #chinning_bar  a horizontal bar on which you can chin yourself
  subtype:  #core.bar  a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
  subtype:  #crossbar.bar  a horizontal bar that goes across something
     subtype:  #whiffletree__whippletree__swingletree  a crossbar that is attached to the traces of a draft horse and to the vehicle or implement that the horse is pulling
  subtype:  #drawbar  a strong metal bar bearing a hook to attach something to be pulled
  subtype:  #fret  a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
  subtype:  #grab_bar  a bar attached parallel to a wall to provide a handgrip for steadying yourself
  subtype:  #handlebar  the shaped bar used to steer a bicycle
  subtype:  #handspike  a metal bar (or length of pipe) used as a lever
  subtype:  #heaver  a bar used as a lever (as in twisting rope)
  subtype:  #lever  a rigid bar pivoted about a fulcrum
     subtype:  #compound_lever  a pair of levers hinged at the fulcrum
        subtype:  #nutcrackers__nutcracker  a compound lever used to crack nuts open
        subtype:  #pair_of_pliers__pliers__plyers  a gripping hand tool with two hinged arms and (usually) serrated jaws
           subtype:  #locking_pliers  pliers that can be locked in place
           subtype:  #needlenose_pliers  small pliers with long thin jaws for fine work
           subtype:  #pump-type_pliers  a type of pliers
           subtype:  #rib_joint_pliers  a type of pliers
           subtype:  #slip-joint_pliers  pliers with a joint adjustable to two positions in order to increase the opening of the jaws
        subtype:  #pair_of_scissors__scissors  and edge tool having two crossed pivoting blades
           subtype:  #clipper__clippers  scissors for cutting hair or finger nails
           subtype:  #shears  large scissors with strong blades
              subtype:  #clippers__clipper  shears for cutting grass or shrubbery
              subtype:  #pruning_shears  shears with strong blades used for light pruning of woody plants
                 subtype:  #secateurs__secateur  (British) small pruning shears with a spring that holds the handles open and a single blade that closes against a flat surface
              subtype:  #snips__tinsnips  hand shears for cutting sheet metal
              subtype:  #thinning_shears  shears with one serrate blade; used for thinning hair
           subtype:  #snuffers  scissors for cropping and holding the snuff of a candlewick
     subtype:  #crowbar__wrecking_bar__pry__prybar  a heavy iron lever with one end forged into a wedge
        subtype:  #jim_crow__jimcrow  a crowbar fitted with a claw for pulling nails
        subtype:  #jimmy__jemmy  a short crowbar; "in England they call a jimmy and jemmy"
     subtype:  #gun_trigger__guntrigger__trigger  lever that activates the firing mechanism of a gun
        subtype:  #hair_trigger  a gun trigger that responds with little pressure
     subtype:  #hand_throttle  a hand-operated lever that controls the throttle valve
     subtype:  #key.lever  a lever that actuates a mechanism when depressed
        subtype:  #backspace_key__backspacekey__backspacer  the typewriter key used for back spacing
        subtype:  #control_key__controlkey__command_key__commandkey  (computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
        subtype:  #return_key__return  the key on electric typewriters or computer keyboards that causes a carriage return and a line feed
        subtype:  #space_bar__spacebar  the bar-shaped typewriter key that introduces spaces when used
        subtype:  #tab_key__tabkey  the key on an electric typewriter that causes a tabulation
        subtype:  #telegraph_key__telegraphkey  key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed
     subtype:  #peavey__peavy__cant_dog  a stout lever with a sharp spike; used for handling logs
        subtype:  #cant_hook  a peavey having a hook instead of a spike; used for handling logs
     subtype:  #foot_pedal__pedal__treadle__foot_lever  a lever that is operated with the foot
        subtype:  #accelerator_pedal__accelerator__gas_pedal__gaspedal__gas__throttle__gun  a pedal that controls the throttle valve; "he stepped on the gas"
        subtype:  #brake_pedal__brakepedal  foot pedal that moves a piston in the master brake cylinder
        subtype:  #clutch_pedal__clutch  a pedal that operates a clutch
        subtype:  #soft_pedal  a pedal on a piano that moves the action closer to the strings and so soften the sound
        subtype:  #sustaining_pedal__loud_pedal  a pedal on a piano that lifts the dampers from the strings and so allows them to continue vibrating
     subtype:  #pinch_bar__pinchbar  a lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels
     subtype:  #ripping_bar  a steel lever with one end formed into a ripping chisel and the other a gooseneck with a claw for pulling nails
     subtype:  #rocker_arm__valve_rocker__valverocker  a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
     subtype:  #spark_lever__sparklever  (on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignition
     subtype:  #control_stick__controlstick__stick__joystick  a lever used by a pilot to control the ailerons and elevators of an airplane
     subtype:  #tappet  a lever that is moved in order to tap something else
     subtype:  #tiller  lever used to turn the rudder on a boat
     subtype:  #tire_iron__tire_tool  hand tool consisting of a lever that is used to force the casing of a pneumatic tire onto a steel wheel
  subtype:  #rail.bar  a horizontal bar (usually of wood)
     subtype:  #hitchrack__hitching_bar  a fixed horizontal rail to which a horse can be hitched to prevent it from straying
     subtype:  #ledger_board  top rail of a fence or balustrade
     subtype:  #picture_rail__picturerail  rail fixed to a wall for hanging pictures
     subtype:  #plate_rail__platerail  rail or narrow shelf fixed to a wall to display plates
     subtype:  #split_rail__splitrail__fence_rail__fencerail  a rail that is split from a log
  subtype:  #rotor.bar  the revolving bar of a distributor
  subtype:  #shackle  a U-shaped bar; the open end can be passed through chain links and closed with a bar
  subtype:  #slice_bar__slicebar  iron bar used to loosen and rake clinkers out of furnaces
  subtype:  #towel_rail__towelrail__towel_bar__towelbar  a horizontal bar a few inches from a wall for holding towels
  subtype:  #rails__rail__track  a bar or bars of rolled steel making a track along which vehicles can roll
     subtype:  #third_rail__thirdrail  a rail through which electric current is supplied to an electric locomotive

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