Discuss the main purpose of vulcanisation of rubber.

Explanation

### Step-by-Step Solution:

1. **Understanding Natural Rubber Properties**:
- Natural rubber is a polymer that exhibits different physical properties at varying temperatures. At high temperatures, it becomes soft and loses its shape, while at low temperatures, it becomes hard and brittle.

2. **Purpose of Vulcanization**:
- The primary purpose of vulcanization is to enhance the physical properties of natural rubber, making it more suitable for various applications.

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