What is the purpose of installing isolation barriers around the factory

Many people have seen that isolation barriers are installed around the factory. What is the role of installing isolation barriers in the factory?
Many factories will carry out the construction of the isolation barrier. In fact, there will be some good equipment inside the factory, so it will inevitably attract some non-developers. Through the construction of this isolation barrier, the factory can be better managed.
In recent years, there have been cases of factory theft reported on TV. Therefore, it is necessary to carry out certain safety work on the factory, and the establishment of an isolation barrier can make the entire factory safe. And among the many safety measures, the isolation barrier is the simplest and most convenient, and only needs to be installed. The most important thing is that it has a good protective effect on the manufacturer itself after the installation.