What are the devices used in the industry for reducing suspended particulate matter?

Explanation

To answer the question about the devices used in the industry for reducing suspended particulate matter, we can break down the information into clear steps:

### Step-by-Step Solution:

1. **Identify the Problem**: Suspended particulate matter (SPM) is a significant environmental concern in industrial processes. It can lead to air pollution and health issues.

2. **List the Devices**: Various devices are employed in industries to reduce SPM. The main devices include:
- **Filters**: These are used to capture particulate matter from gases before they are released into the atmosphere.
...