Answer:
Moving air from one area to another.
Explanation:
Airflow is often necessary in different industries, because of the emission of gasses and application of vapors into the products that could be hazardous or toxis for the workers, this is way the area need to be ventilated and allow air flow to go from the areas where the workers are preforming their job and that area needs to be kept safe and with fresh air for the workers to continue performing well.
