Method for Preserving A) Water and Black Gold

- For preserving water, the best method is to store it in a clean, airtight container to prevent contamination. It is also recommended to keep it away from direct sunlight and heat to maintain its quality.
- Black gold, also known as crude oil, can be preserved by storing it in sealed containers to prevent exposure to air and moisture. It should be kept in a cool, dark place to prevent degradation.

Method for Preserving B) Chana and Salt

- Chana, or chickpeas, can be preserved by storing them in airtight containers in a cool, dry place. It is important to check for any signs of moisture or pests regularly to ensure their freshness.
- Salt can be preserved by storing it in a dry, airtight container to prevent clumping. It should be kept away from moisture to maintain its quality and prevent it from becoming contaminated.

Method for Preserving C) Green Chillies and Poha

- Green chillies can be preserved by storing them in the refrigerator in a sealed container or plastic bag. They can also be frozen for long-term storage.
- Poha, or flattened rice, can be preserved by storing it in an airtight container in a cool, dry place. It is important to keep it away from moisture to prevent it from becoming stale.