Write the methods to control noise pollution.

Explanation

**Step-by-Step Solution: Methods to Control Noise Pollution**

1. **Control Over Recreational Noise**:
- One effective method to control noise pollution is to manage the noise generated from recreational activities. This includes regulating the use of loudspeakers and other sound systems in public places.
- For example, limiting the volume of loudspeakers at events or parties can significantly reduce unnecessary noise pollution.

2. **Reducing Noise Emission by Developing Low Noise Products**:
- Another method is to focus on the design and development of products that emit less noise.
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