Studio ventilation, consists of a tube that goes from the inside of a room to the outside, it has a fan that when rotating pulls the air out and with it goes smoke, dust, powder etc.
Kiln ventilation is also known as a chimney. It is situated above a kiln, has a very large hood with a fan controlled by electricity. When in operation it sucks the air that is around the kiln up through a metal tube to the outside of the building. They are made to remove odors and fumes. With gas kilns it is essential to have exhaust ventilation. Read more about: Chimney / Kiln – Ventilation