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Current hierarchy for structures (128)
Hierarchy Drop down navigation for Type Search Exclude Subordinates
structures (128) structures (128) exclude
  boats and ships (41) structures (128) -> boats and ships (41)  
  bridges (36) structures (128) -> bridges (36) exclude
    drawbridges (1) structures (128) -> bridges (36) -> drawbridges (1)  
    truss bridges (7) structures (128) -> bridges (36) -> truss bridges (7)  
  drying sheds (1) structures (128) -> drying sheds (1)  
  nautical structures (34) structures (128) -> nautical structures (34) exclude
    docks and piers (1) structures (128) -> nautical structures (34) -> docks and piers (1)  
    dry docks (27) structures (128) -> nautical structures (34) -> dry docks (27) exclude
      blocks and wedges (5) structures (128) -> nautical structures (34) -> dry docks (27) -> blocks and wedges (5)  
    marine railways (1) structures (128) -> nautical structures (34) -> marine railways (1)  
  roofs (11) structures (128) -> roofs (11)  
  tunnels and arches (1) structures (128) -> tunnels and arches (1)  
  vaults and privies (1) structures (128) -> vaults and privies (1)  
 
Full Hierarchy | agricultural (3,488) | armaments (163) | combination tools (637) | construction machines (96) | electrical devices (1,405) | gauges (108) | handheld power tools (825)
hardware (272) | household tools (118) | household (2,466) | industrial machines (1,982) | industrial tanks (5) | industrial tools (1,271) | knives and cutters (180) | layout tools (2,673)
manufacturing (380) | material handling (398) | metalworking machines (15,361) | metalworking tools (2,087) | musical instruments (58) | patent withdrawn (9) | photographic apparatus (497) | pliers (763)
potters tools (3) | propulsion and energy (6,296) | punches (50) | rules (502) | screwdrivers (610) | specialty machines (3,002) | specialty tools (1,821) | stoneworking (157)
structures (128) | tool making (470) | trade specific (6,027) | transportation (1,174) | water distribution systems (257) | woodworking machines (15,663) | woodworking tools (4,193) | work holding (1,668)
wrenches (6,161)

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