Churches established industrial chaplaincies among the workers within factories. Borovo Factory was one of the few famous Bata Shoes factories in the world. Many Koreans were drafted for work at military industrial factories in Hiroshima and Nagasaki. Productivity increased as investment modernised farms, factories and ports. Scores of factories and mills sprang up. All prisoners worked primarily as forced labor in local armaments factories. Most of the workers in the new factories were immigrants or their children. There are hospitals attached to factories and mines. Bata India has five factories and two tanneries. The economy slowly industrialized with the help of foreign investments in railways and factories. The government embarked on a mass campaign of collectivisation of farms and factories. Alba is the home of Ferrero's chocolate factories and some mechanical industries. They have to perform slave labor in prison factories. That caused many of the factories and corporations headquartered in Allentown to close or move. The vast majority of the people who worked in the factories were women.