Describe what happens to most workers (after the jew left the concentration camps and were forced to work)

The ghettos served as bases for utilizing Jewish labor, as did forced-labor camps for Jews in occupied Poland. In the Lodz ghetto, for example, the Nazis opened 96 factories. The ability to work could save one's life, but most often only temporarily. Jews deemed unproductive by the Nazis were often the first to be shot or deported.