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Current hierarchy for electrical devices (635)
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electrical devices (635) electrical devices (635) exclude
  electric arc lamps (16) electrical devices (635) -> electric arc lamps (16)  
  electric batteries (9) electrical devices (635) -> electric batteries (9) exclude
    battery charging devices (4) electrical devices (635) -> electric batteries (9) -> battery charging devices (4)  
  electric distribution systems (4) electrical devices (635) -> electric distribution systems (4)  
  electric generators (25) electrical devices (635) -> electric generators (25)  
  electric motors (526) electrical devices (635) -> electric motors (526) exclude
    AC motors (23) electrical devices (635) -> electric motors (526) -> AC motors (23)  
    DC motors (9) electrical devices (635) -> electric motors (526) -> DC motors (9)  
    centrifugal motor switches (12) electrical devices (635) -> electric motors (526) -> centrifugal motor switches (12)  
    electric motor making (15) electrical devices (635) -> electric motors (526) -> electric motor making (15)  
    electrical insulation (1) electrical devices (635) -> electric motors (526) -> electrical insulation (1)  
    gear motors (7) electrical devices (635) -> electric motors (526) -> gear motors (7)  
    induction motors (111) electrical devices (635) -> electric motors (526) -> induction motors (111) exclude
      capacitor start induction motors (1) electrical devices (635) -> electric motors (526) -> induction motors (111) -> capacitor start induction motors (1)  
      repulsion start induction run motors (49) electrical devices (635) -> electric motors (526) -> induction motors (111) -> repulsion start induction run motors (49)  
      shaded pole induction motors (4) electrical devices (635) -> electric motors (526) -> induction motors (111) -> shaded pole induction motors (4)  
    motor armatures (19) electrical devices (635) -> electric motors (526) -> motor armatures (19)  
    motor bearings (17) electrical devices (635) -> electric motors (526) -> motor bearings (17)  
    motor brakes (2) electrical devices (635) -> electric motors (526) -> motor brakes (2)  
    motor brush holders (15) electrical devices (635) -> electric motors (526) -> motor brush holders (15)  
    motor brushes (4) electrical devices (635) -> electric motors (526) -> motor brushes (4)  
    motor commutators (5) electrical devices (635) -> electric motors (526) -> motor commutators (5)  
    motor controls (32) electrical devices (635) -> electric motors (526) -> motor controls (32)  
    motor cooling (22) electrical devices (635) -> electric motors (526) -> motor cooling (22)  
    motor housings (7) electrical devices (635) -> electric motors (526) -> motor housings (7)  
    motor mounts (17) electrical devices (635) -> electric motors (526) -> motor mounts (17)  
    motor regulators (11) electrical devices (635) -> electric motors (526) -> motor regulators (11)  
    motor stators (7) electrical devices (635) -> electric motors (526) -> motor stators (7)  
    motor windings (2) electrical devices (635) -> electric motors (526) -> motor windings (2)  
    repulsion motors (1) electrical devices (635) -> electric motors (526) -> repulsion motors (1)  
    universal motors (2) electrical devices (635) -> electric motors (526) -> universal motors (2)  
  electric switches (29) electrical devices (635) -> electric switches (29)  
  phase regulators (1) electrical devices (635) -> phase regulators (1)  
 
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metalworking machines (5,431) | metalworking tools (754) | musical instruments (2) | pliers (668) | potters tools (3) | propulsion and energy (2,918) | punches (42) | rules (423)
screwdrivers (433) | specialty machines (1,153) | specialty tools (566) | stoneworking machines (46) | structures (71) | tool handles (90) | tool holders (63) | tool making (271)
tool storage (50) | trade specific (4,964) | transportation machines (250) | transportation tools (14) | water distribution systems (99) | woodworking machines (14,096) | woodworking tools (3,769) | work holding (1,114)
wrenches (5,621)

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