Circulation Aid is a job title that involves helping to improve air circulation in a space. A FAN is a three-letter device used to move air around, while an Airpassage is a ten-letter device that helps to direct air from one area to another. Lastly, a Ceilingfan is a ten-letter device that is mounted on the ceiling and helps to circulate air throughout a room. All of these devices are used to help improve air circulation in a space, making them all part of the job description for a Circulation Aid.