Industry may have withdrawn one fifth of water for various reasons, such as:
1. Manufacturing processes: Many industries require large amounts of water for their manufacturing processes, such as cooling, cleaning, and chemical reactions.
2. Energy production: Industries like power plants and refineries use water for cooling purposes in their operations.
3. Agriculture: Some industries, such as food processing and beverage production, require water for irrigation and processing of agricultural products.
4. Cleaning and sanitation: Industries may use water for cleaning and sanitation purposes to maintain hygiene and safety standards.
5. Other industrial purposes: Water is also used in industries for various other purposes, such as steam generation, product dilution, and as a raw material in chemical processes.