General tools such as turning tools, planers, milling cutters (excluding forming turning tools, forming planers and forming cutters), boring tools, drills, reamers, reamers and saws; forming knives, With the same or near the same size of the workpiece, such as forming a knife, forming planer, forming cutter, broach, cone reamer and a variety of thread processing tools; Toothed or similar workpieces such as hobs, shaper shaper, shaving cutter, bevel gear planer and bevel gear cutter.