│ └ PC Parts
│    └ tool
│       └ Other
   ├ Tools, tools
   │ ├ Special Tools
   │ │ ├ Electrical tools
   │ │ ├ Insulated Tools
   │ │ ├ Air Conditioning Tools
   │ │ ├ Explosion-proof tools
   │ │ ├ Plumbing Tools
   │ │ ├ pooler
   │ │ └ Other special tools
   │ ├ Polishing, lubrication
   │ │ ├ grease
   │ │ ├ grease gun
   │ │ ├ buffing
   │ │ ├ Abrasive belt
   │ │ ├ abrasives
   │ │ └ Oiler, misting
   │ │ ├ holder
   │ │ ├ Chamfering, deburring
   │ │ ├ Byte Tools
   │ │ ├ Lathe chucks, raw jaws
   │ │ ├ Electrical Discharge Machine
   │ │ └ Gas venting tool
   │ └ Other tools, tools
      │ └ Tools and materials
      │    ├ Pure water, purified water
      │    ├ Laboratory wraps and films
      │    ├ Laboratory Safety Products
      │    ├ Tweezers, laboratory scissors
      │    ├ teaspoon, medicine spoon
      │    ├ Test tube stands, stands
      │    ├ Funnel (Roto)
      │    ├ Burner, alcohol lamp
      │    ├ Dropper, pipette
      │    ├ burette
      │    ├ Cleaning and disposal supplies
      │    ├ Sifters, Sieving Machines
      │    ├ Mortar, crucible, pestle
      │    ├ Separation and filtration products
      │    ├ desiccator
      │    ├ Tubes, hoses
      │    └ Other research and experimental tools
      │ ├ Hydraulic equipment
      │ │ ├ hydraulic cylinder
      │ │ ├ Hydraulic pumps
      │ │ ├ hydraulic hose
      │ │ ├ hydraulic press
      │ │ ├ oil pressure gauge
      │ │ ├ Hydraulic rebar cutter
      │ │ └ Other
      │ └ FA, mechanical parts
      │    ├ Rotary parts
      │    ├ Linear motion parts
      │    ├ Transmission parts
      │    ├ Control Components
      │    ├ Impact protection, spring
      │    ├ Cables, connecting parts
      │    └ Other FA and mechanical parts
         └ Sino, Hacker
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