Draw a labelled sketch of sparged-stirred tank bioreactor.

Explanation

### Step-by-Step Text Solution:

1. **Draw the Outline of the Bioreactor:**
- Start by drawing a large cylindrical shape to represent the body of the bioreactor. This is typically the main chamber where the fermentation or cultivation occurs.

2. **Add the Stirring Mechanism:**
- Inside the cylindrical shape, draw a vertical shaft extending from the top to the bottom. This represents the stirrer or agitator that helps mix the contents of the bioreactor.

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