#electric_motor  a motor that converts electricity to mechanical work
  supertype:  motor  machine that converts other forms of energy into mechanical energy and so imparts motion
  part:  armature  brush.electrical_device  field_magnet  rotor_coil  stator_coil
  part of:  electric_drill  drum_sander  electric_clock  electric_fan  electric_hammer  electric_locomotive  electric_mixer  electric_refrigerator  electric_toothbrush  electric_typewriter  self-starter  trolleybus
  subtype:  starter_motor__startermotor__starter__startingmotor  an electric motor for starting an engine
     subtype:  kick_starter__kick_start  a starter (as on a motorcycle) that is activated with the foot and the weight of the body
     subtype:  self-starter  an electric starting motor that automatically starts an internal-combustion engine
  subtype:  synchronous_motor__synchronousmotor  electric motor in which the speed of rotation is proportional to the frequency of the A.C. power
  subtype:  wiper_motor__wipermotor  electric motor that moves the windshield wiper

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