Question

Which device is used to clean both dust and gases from polluted air?

Hint:

Electrostatic precipitators are highly effective in removing particles and gases from industrial exhaust systems.

Answer 1

Step 1: Understanding air pollution control devices.
To clean both dust and gases from polluted air, a device called an "electrostatic precipitator" is commonly used. It uses electric fields to remove dust particles and some gases from the air.
Step 2: Conclusion.
The device used to clean both dust and gases from polluted air is an "electrostatic precipitator."