Why is the use of common units throughout the world desirable ?

Explanation

To answer the question "Why is the use of common units throughout the world desirable?", we can break it down into several key points:

### Step-by-Step Solution:

1. **Facilitates International Trade**:
- Common units of measurement allow for easier and more efficient trade between nations. When all countries use the same units, it eliminates confusion and discrepancies in measurements, leading to smoother transactions and agreements.

2. **Standardization of Products**:
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