Question 11 • SC332 Environmental Science B
A factory smokestack can release large amounts of particulate matter, such as soot and dust, into the air. It may use a particulate control device, such as a filter or electrostatic precipitator, to capture those particles before they escape. A vacuum cleaner filter and a dryer lint screen also trap particles, but the factory smokestack is the setting most associated with an air-pollution particulate control device.
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