Answer the following questions :
What is melamine? What are its uses?

Explanation

### Step-by-Step Solution:

1. **Definition of Melamine**:
- Melamine is a type of thermosetting plastic. This means that once it is shaped and cured, it cannot be reshaped or remolded.

2. **Properties of Melamine**:
- Melamine has excellent resistance to heat and fire compared to other plastics. This makes it particularly valuable in applications where high temperatures are a concern.

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