1. Bacteria are also very important to some industries such as the production of cheese, yogurt, buttermilk, vinegar, and sauerkraut.
2. They are used in the preparation of antibiotics such as Streptomycin.
3. They are used in the tanning of leather and hides
4. They are used in the curing of tobacco (not a good thing, but notable at least�)
5. Methane-producing bacteria are used in sewage treatment plants to convert the sludge into methane gas.
