Name any three gaseous fuels used either as domestic or as industrial fuel.

Explanation

**Step-by-Step Solution:**

1. **Understanding Gaseous Fuels**: Gaseous fuels are fuels that exist in a gaseous state at room temperature and are used for combustion to produce energy. They can be utilized for domestic purposes (like cooking and heating) or in industrial applications.

2. **Identifying Gaseous Fuels**: We need to name three gaseous fuels that are commonly used.

3. **Listing the Fuels**:
- **Biogas**:
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