Define glass blowing.What are the different methods employed for glass blowing

Explanation

### Step-by-Step Text Solution:

1. **Definition of Glass Blowing**:
- Glass blowing is a glass forming technique that involves inflating molten glass using a blowpipe. This process creates a glass bubble that can be shaped into various glass wares.

2. **Process of Glass Blowing**:
- The molten glass is heated until it becomes pliable.
- A blowpipe is used to blow air (preferably pure oxygen) into the molten glass, forming a bubble.
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