Answer:
By working to produce goods for manufacturing companies
By working on prison farms.
Other ways may also include working in construction projects in or outside the prison yard.
Step-by-step explanation:
In this modern day, prisoners of war are sometimes employed to manufacture good while in prison. They are usually utilized as a cheap labor source in which they are paid less than the normal wage of freemen. Some of the manufacturing jobs done are usually contracted to the prison by outside manufacturing firms, or sometimes by the prison itself; in order to generate additional income. These works keep the prisoners busy and also earn them profit.
In some cases, some of the prisoners are are made to work on the prison farm. The prisoners are paid minimal wages for their services. This types of jobs keep the prisoners occupied and fit and helps feed the prisoners too. The excess income generated fro the sales of the farm products can be used to pay the prisoners. Also, prisoners can participate in construction projects in and outside the prison yard.
One of the biggest motivator for prisoners wanting profit is the fact that they have hope that they will be out some day. This profit is needed as a boost for these prisoners when they come out, prior to being employed. Also, some of these prisoners sometimes need this profit to provide themselves with some necessary stuffs not provided by the prison system.