Talking about the Control of Cutters in Railway Passenger Transport

1. Any tool that meets one of the following criteria can be regarded as a controlled tool: 1. Dagger: a single-edged, double-edged or multi-edged sharp knife with a handle, a lattice, a blood groove and a tip angle of less than 60 degrees. 2. Triangle scraper: a processing tool with three blades. 3. Spring knife with self-locking device (jumping knife): a folding knife that can be fixed and self-locked by a spring or bolt in the handle after the knife body is unfolded or ejected. 4. Other similar single-edged, double-edged and triple-edged sharp knives: all kinds of single-edged, double-edged and multi-edged knives with the tip angle less than 60 degrees and the blade length exceeding 150 mm ... 5. Other single-edged, double-edged and multi-edged tools with the vertex angle greater than 60 degrees and the blade length greater than 220 mm ... 2. All kinds of uncut martial arts with the chamfer radius r of the tip greater than 2.5 mm Description: 1, hilt: refers to the part of the knife used for holding. 2. Tool grid (manual stop): refers to a part of the knife, which is used to isolate the handle from the knife body. 3. Blade: refers to the part of the knife used to complete the functions of cutting, cutting and stabbing. 4. Blood groove: refers to the special groove on the knife body. 5. Tip angle: refers to the angle formed by the blade and the blade back (or the blade on the other side) and the blade tip. 6. Blade: refers to the side of the blade used for cutting, cutting and splitting. Generally speaking, the thickness of the blade is less than 0.5 mm. 7. Chamfering of the tip: refers to the radian of the tip.

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