Nowadays, there are many types of criminals, such as robbery violence, etc. And in the opinion of some persons, the prisoners with easy ones, it is necessary to go to free work without paying and convince them to be through the community. I prefer to agree with this statement for some reasons. For example, instead of wasting time, they must help their country and spend their time on something useful. The second is that the local government must pay for all outcomes, and this money comes from taxpayers.