#lifting_device__liftingdevice  a device for lifting heavy loads
  supertype:  #device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  #crane.lifting_device  lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis
     subtype:  #davit  a crane-like device (usually one of a pair) for suspending or lowering equipment (as a lifeboat)
     subtype:  #derrick.crane  a simple crane having lifting tackle slung from a boom
     subtype:  #transporter  a crane for moving material with dispatch as in loading and unloading ships
  subtype:  #elevator.lifting_device__lift  lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building
     subtype:  #dumbwaiter__food_elevator  a small elevator used to convey food (or other goods) from one floor of a building to another
     subtype:  #freight_elevator__freightelevator__service_elevator__serviceelevator  an elevator designed for carrying freight
     subtype:  #paternoster  (British) a type of lift having a chain of open compartments that move continually in a loop so that (agile) passengers can step on or off at each floor
  subtype:  #hoist  lifting device for raising heavy or cumbersome objects
     subtype:  #block_and_tackle__blockandtackle  pulley blocks with associated rope or cable
     subtype:  #headgear.hoist  the hoist at the pithead of a mine
     subtype:  #wheel_and_axle__wheelandaxle  hoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
  subtype:  #winch__windlass  lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds
     subtype:  #capstan  a windlass rotated in a horizontal plane

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