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Current hierarchy for rules (427)
Hierarchy Drop down navigation for Type Search Exclude Subordinates
rules (427) rules (427) exclude
  folding rules (87) rules (427) -> folding rules (87) exclude
    folding rule joints (43) rules (427) -> folding rules (87) -> folding rule joints (43)  
  lumber rules (21) rules (427) -> lumber rules (21)  
  measuring rods (22) rules (427) -> measuring rods (22)  
  parallel rules (6) rules (427) -> parallel rules (6)  
  rule accessories (11) rules (427) -> rule accessories (11)  
  rule attachments (32) rules (427) -> rule attachments (32)  
  rule graduations (28) rules (427) -> rule graduations (28)  
  shrink rules (1) rules (427) -> shrink rules (1)  
  slide rules (7) rules (427) -> slide rules (7) exclude
    circular slide rules (1) rules (427) -> slide rules (7) -> circular slide rules (1)  
    scales (2) rules (427) -> slide rules (7) -> scales (2)  
  tape measures (101) rules (427) -> tape measures (101) exclude
    tape measure mechanisms (10) rules (427) -> tape measures (101) -> tape measure mechanisms (10)  
 
Full Hierarchy | agricultural machines (1,836) | agricultural tools (279) | armaments (87) | combination tools (581) | construction machines (67) | electrical devices (825) | gauges (31)
hardware (29) | household machines (509) | household tools (809) | household (455) | industrial furnaces (34) | industrial machines (903) | industrial tanks (1) | industrial tools (478)
knives and cutters (128) | layout tools (2,486) | manufacturing (69) | metalworking machines (7,507) | metalworking tools (861) | musical instruments (5) | pliers (706) | potters tools (3)
propulsion and energy (3,753) | punches (44) | rules (427) | screwdrivers (478) | specialty machines (1,444) | specialty tools (887) | stoneworking machines (57) | stoneworking (2)
structures (85) | tool handles (89) | tool holders (71) | tool making (357) | tool storage (51) | trade specific (5,205) | transportation machines (398) | transportation tools (35)
water distribution systems (152) | woodworking machines (15,105) | woodworking tools (3,870) | work holding (1,247) | wrenches (5,741)

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