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Current hierarchy for rules (500)
Hierarchy Drop down navigation for Type Search Exclude Subordinates
rules (500) rules (500) exclude
  draftsmans rule (2) rules (500) -> draftsmans rule (2)  
  extensible rules (10) rules (500) -> extensible rules (10)  
  flexible rules (1) rules (500) -> flexible rules (1)  
  folding rules (96) rules (500) -> folding rules (96) exclude
    folding rule joints (48) rules (500) -> folding rules (96) -> folding rule joints (48)  
  hook rules (2) rules (500) -> hook rules (2)  
  lumber rules (24) rules (500) -> lumber rules (24)  
  measuring rods (23) rules (500) -> measuring rods (23)  
  parallel rules (8) rules (500) -> parallel rules (8)  
  rule accessories (16) rules (500) -> rule accessories (16)  
  rule attachments (42) rules (500) -> rule attachments (42)  
  rule graduations (29) rules (500) -> rule graduations (29)  
  shrink rules (1) rules (500) -> shrink rules (1)  
  slide rules (13) rules (500) -> slide rules (13) exclude
    circular slide rules (1) rules (500) -> slide rules (13) -> circular slide rules (1)  
    scales (5) rules (500) -> slide rules (13) -> scales (5)  
  tape measures (117) rules (500) -> tape measures (117) exclude
    tape measure mechanisms (13) rules (500) -> tape measures (117) -> tape measure mechanisms (13)  
 
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manufacturing (356) | material handling (394) | metalworking machines (15,283) | metalworking tools (2,086) | musical instruments (57) | photographic apparatus (484) | pliers (747) | potters tools (3)
propulsion and energy (6,248) | punches (50) | rules (500) | screwdrivers (595) | specialty machines (2,926) | specialty tools (1,783) | stoneworking (144) | structures (125)
tool making (468) | trade specific (5,971) | transportation (1,096) | water distribution systems (238) | woodworking machines (15,653) | woodworking tools (4,189) | work holding (1,662) | wrenches (6,080)

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