State two ways by which rusting can be prevented.

Explanation

To prevent rusting, we can use the following two methods:

### Step-by-Step Solution:

1. **Understanding Rusting**:
- Rusting is the process where iron reacts with moisture and oxygen in the air to form iron oxide, commonly known as rust. This process can weaken the iron and lead to structural damage.

2. **First Method - Oiling, Greasing, or Painting**:
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