1) Equipment auxiliary tools include lathe center frame, heel rest and other accessories; Turntable, indexing plate, etc. For milling machines; Find scribers, copper bars, etc. Used for workpiece clamping.
2) Special machining AIDS include universal combined fixture, special positioning fixture specially designed to meet machining accuracy, and special fixture used to meet clamping difficulties or prevent machining deformation (including heat treatment and welding).
3) Auxiliary tools for hoisting, transportation and storage include magnetic sucker, hoisting fixture, transport trolley, material rack, foot pad, etc.
4) General tools and accessories include metal hammers, wrenches, vises, power tools, polishing sheets and grinding pastes.
I don't know if the answer is correct, please give me some advice.