Barbed wire nets are divided into fixed barbed wire nets and mobile barbed wire nets. Fixed barbed wire nets are composed of barbed wood stakes and iron wires; mobile barbed wire nets are usually temporarily produced by factories and transported to the battlefield for temporary installation. The diameter is 70-90 cm, the length is about 10 meters, and the setting speed is fast. High destructive strength, can slow down the actions of vehicles such as automobiles and armored vehicles.
In fact, barbed wire was originally invented for special scenarios such as battlefields, prisons, and borders. But now in life, barbed wire netting can also be seen as a division of some areas to increase safety.