A fan is a device which imparts a mechanical action on a gas. A typical usage of a fan is to induce airflow.
A ceiling fan is a fan suspended below a ceiling and without connected duct, used to circulate air in a space.
A fan is a device which imparts a mechanical action on a gas. A typical usage of a fan is to induce airflow.
A ceiling fan is a fan suspended below a ceiling and without connected duct, used to circulate air in a space.