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Full Hierarchy | agricultural (3,474) | armaments (163) | combination tools (637) | construction machines (96) | electrical devices (1,403) | gauges (108) | handheld power tools (825)
hardware (269) | household tools (118) | household (2,450) | industrial machines (1,977) | industrial tanks (5) | industrial tools (1,262) | knives and cutters (180) | layout tools (2,673)
manufacturing (378) | material handling (398) | metalworking machines (15,345) | metalworking tools (2,087) | musical instruments (58) | patent withdrawn (9) | photographic apparatus (497) | pliers (762)
potters tools (3) | propulsion and energy (6,292) | punches (50) | rules (502) | screwdrivers (610) | specialty machines (2,981) | specialty tools (1,807) | stoneworking (157)
structures (131) | tool making (470) | trade specific (6,019) | transportation (1,154) | water distribution systems (250) | woodworking machines (15,660) | woodworking tools (4,193) | work holding (1,667)
wrenches (6,160)

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