Why is liquid stored in cylinders rather than boxes like other cargo?

Explanation

### Step-by-Step Solution:

1. **Understanding the Nature of Liquids and Gases**:
- Liquids and gases exert internal pressure due to their molecular movement. This pressure can vary based on the amount of liquid or gas and the temperature.

2. **Role of Cylinders**:
- Cylinders are designed to handle internal pressure efficiently. Their shape allows for an even distribution of pressure across the surface area of the container.

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