The most important internal industries are in wool and frozen meat.
All big industries are replaced by better ones.
The opportunity of utilizing the wool for textile industries has not yet been taken, though Sardinian women are accustomed to weave strong and durable cloth.
In 1849 exclusive Moravian control of Salem's industries and trades was abolished; in 1856 land was first sold to others than Moravians, and in the same year the town was incorporated.
The main industries are glovemaking and leather-dressing.