Solution :
Fermentation is a commercially important process. It is following processes:
i. Curing of tea leaves, tobacco, etc.
ii. Manufacture of vinegar,
iii. an industrially important compound, the Creation of yoghurt, pickles, bread, and other bakery and culinary products.
iv. Production of alcoholic biofuels and other beverages such as beer, wine, liquors, and ethyl alcohol.
v. Tanning of leather.
vi . Preparations of antibiotics. etc.